Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions :
How is global warning affecting you? Many people in the world would not know how to answer this question as they do not see any sort of change in climate. The people who do not notice it tend to live in cities where the climates are already (1) _______. In essence, they mostly live indoors. If it is raining, they stay inside. If it is too cold or too hot, they turn on the heat or their air conditioning (2) _______. For farmers and others who live closer to the land; however, global warming is not something they are (3) _______ from. Although they cannot prove on any given day that the weather, extreme or mild, has anything to do with climate change, they can say over time that things are beginning to seem different. They notice that flowers and other plants are blooming earlier in northern regions of the world’s continents. This causes them to change planting (4) _______ for crops in some cases. (5) _______ farmers are facing more floods and droughts in our country and elsewhere.

Choose the best answer:
mountain/ amazed/ Are/ seeing/ at/ the/ you?

In 1953, Peveril Meigs divided desert regions ____ Earth ____ three categories according to the amount of precipitation they received.

(338)_______

 If you have the _____ in an election, you have the legal right to indicate your choice.

(479)______

Choose the best answer:
Time was up, and the judges ________ the results.

Choose the best answerr
I think Son Doong Cave is by far ____________ cave in Vietnam.

Rewrite sentences without changing the meaning
People use a lot of vehicles. The air is polluted.

Choose the best answer:
Can you name some countries having subtropical climate ___________ the world?

Choose the best answer:
She/ be/ to Dubai/ three times/ year.

Rewrite the sentence
I think photography is interesting but Kim finds it boring.

The ability to conduct electricity is one of the key properties of a metal. Other solid material such as silicon can conduct electricity but only effectively at certain temperatures. Also, some substances such as salt (sodium chloride) can conduct when molten or when dissolved in water. The ability of metals to conduct electricity is due to how their atoms bond together. In order to bond together the metal atoms lose at least one of their outermost electrons. This leaves the metal atoms with a positive charge and they are now strictly ions. The lost electrons are free to move in what are known as a sea of electrons. Since the electrons are negatively charged they attract the ions and this is what keeps the structure together.

An electric current is a flow of charge and since the electrons in the sea of electrons are free to move they can be made to flow in one direction when a source of electrical energy such as a battery is connected to the metal. Hence we have an electric current flowing through the wire, and this is what makes metals such good conductors of electricity. The only other common solid conducting material that pencil users are likely to encounter is graphite (what the 'lead' of a pencil is made from). Graphite is a form of carbon and again the carbon atoms bond in such a way that there is a sea of electrons that can be made to flow as an electric current. Likewise, if we have an ionic substance like salt we can make the electrically charged ions flow to create a current but only when those ions are free to move, either when the substance is a liquid or dissolved in water. In its solid state an ionic substance like salt cannot conduct electricity as its charged ions cannot flow.

Electrical insulators are substances that cannot conduct electricity well either, because they contain no charged particles or any charged particles they might contain do not flow easily. Water itself is a poor conductor or electricity as it does not contain a significant amount of fully charged particles (the ends of a water molecule are partly charged but overall the molecule is neutral). However, most water we encounter does contain dissolved charged particles, so it will be more conductive than pure water. Many of the problems that occur when touching electrical devices with wet hands result from the ever-present salt that is left on our skin through perspiration and it dissolves in the water to make it more conductive.

The word "they” in paragraph 3 refers to.

Choose the best answer:
Nguyen Du is a famous ____.

Choose the best answer:
He finds it ________ lasting friendships.

Choose the best answer:
In the Us, the first stage of compulsory education ___________ as elementary education.

Choose the best answer:
He won't be happy if you ______ come!

Read the following passage and choose the best answer for each blank.

FAMILY HISTORY

In an age when technology is developing faster than ever before, many people are being (21) _____to the idea of looking back into the past. One way they can do this is by investigating their own family history. They can try to (22) _____out more about where their family came from and what they did. This is now a fast-growing hobby, especial in countries with a (23) _____ short history, like Australia and the United States.

It is (24) _____thing to spend some time (25) _____through a book on family history and to take the (26) _____to investigate your own family’s past. It is (27) _____another to carry out the research work successfully. It is easy to set about it in a disorganised way and (28) _____yourself many problems which could have been (29) _____with a little forward planning.

If your own family stories tell you that you are (30) _____with a famous character, whether hero or criminal, do not let this idea take over your research. Just treat it as an interesting possibility. A simple system for  collecting and storing your path. The most important thing, though, is to get started. Who knows what you might find?

(27) _____

Background, in relation to computers, on the screen, the color on which characters are displayed. (1) _______, a white background may be used for black characters. In a windowing environment in which more than one program or document can be available to the user, open but currently inactive (2) _______ are said to be in the background. In the context of operating systems and program execution, background refers to a process, or task, assigned a lower priority in the microprocessor's share of time to tasks other than the task running in the (3) _______. A background process thus often performs (4)_____________ work, such as printing or checking for arriving messages on an electronic mail network, invisibly unless the user requests an update or brings the task to the foreground. (5) _______, only multitasking operating systems are able to support background processing.

(7) __________

Choose the best answer:
……….. are flying high in the sky.

Choose the best answer:
Her neighbor looks ___________ his mother a lot.

Read the following passage and choose the best answer (A, B, C, D):
Some technological developments are the results of years of diligent work. Others are stumbled upon by accident. The discovery of X-rays is in the second category. In 1895, X-ray radiation was accidentally discovered by a physicist named Wilhelm Rontgen, while he was working in his lab. Rontgen discovery greatly advanced medical science. One night in 1895, Wilhelm Rontgen was working with an electric device called a Crookes tube. A Crookes tube is a glass tube with metal components inside it. When turned on, the tube produces a stream of electrons. Rontgen and other scientists observed a new form of energy escaping from the front end of the Crookes tube. Rontgen wanted to be the first to discover this new mysterious energy. To do this, he needed to make sure the tube was covered with black cardboard. This would make the room completely dark and allow him to better see this new form of energy. Rontgen was hoping to observe this new energy on a special screen that would be placed right in front of the Crookes tube. Amazingly, before the screen was placed near the Crookes tube, Rontgen already noticed the screen was glowing. He bought the screen closer, and the glow became brighter. (1) He then placed a book between the end of the tube and the screen-the glow was still there. (2) Rontgen realized that a new and different form of radiation must be causing the screen to glow. (3) As he didn't know what kind of radiation it was, he named it "X". (4) Rontgen soon started studying the new type of radiation. He designed experiments which allowed him to test how far X- rays could penetrate. He also had the bright idea of trying to take photographs with X-rays. One day, he tested his theories by asking his wife to put her hand between a photographic plate and a Crookes Tube. Sure enough, the resulting image of the bones in his wife's hand was the first ever X-ray photograph of the human body. After taking that first photograph, Rontgen understood how X-rays could benefit doctors and patients. He shared his discovery, and soon X-ray machines were appearing in hospitals. X-rays were very useful for medicine because they let doctors see a patient's bones. If a patient had a broken bone, it was made visible by the X-ray image. This let doctors know the right way to repair the fracture. Wilhelm Rontgen's accidental discovery has now been helping people for over one hundred years. Thanks to X-rays, broken bones can be repaired reliably and effectively. We should be grateful to Wilhelm Rontgen for making his discovery freely available and greatly advancing medical science. Because of this, we humans are able to live longer, healthier lives.
8. The last paragraph States, "We should be grateful to Wilhelm Rontgen for making his discovery freely available". What can be inferred from this?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions :
Earthquakes are one of the scariest natural phenomena because they are so unpredictable. Scientists have tried to come up with a method to predict them but they have always failed. Unlike other destructive phenomena such as hurricanes or even solar storms, earthquakes come without any (1)_________ whatever. Some people believe that animals are able to (2)________ when earthquakes are coming. There are many anecdotes about dogs barking before an earthquake happens. In some cases, strange phenomena have been observed in creatures like toads, where a few days before a major earthquake hit, they left their breeding ground. The toads did not reappear (3)_________ the quake had happened.Another strange creature that some believe may hold the key (4)________ quakes is the oarfish. These strange fish normally live in very deep water. (5)_________ of these fish are very rare, but in 2013, oarfish were found to beach themselves in San Francisco, and this caused some to believe that a major earthquake was coming. What was the reason for this?