If the current and obstacles ____________ a passage too difficult to navigate, a canoeist might make a portage, or carry the canoe over land for a short distance, thereby avoiding the danger.

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• The workers are building a new bridge which is 150 meters in high.

• A living polyp looks like little sea anemone, with tentacles to trap tiny animals food .

• A smile can be observed, described, and reliably identify; it can also be elicited and manipulated und experimental conditions

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• Some conifers, that are tree that have cones, are able thrive on poor, thin soil.

• Whatever ..............  come, I will always be by your side.

• Algebra is the branch of mathematics concerned with operations on set of number or other elements that are often represented at symbols.

• I did not realize that I had left my umbrella on the bus when started to rain.

• A dark nebula consists of a cloud of interstellar dust enough dense to obscure the star beyond it.

• If it will rain this afternoon, we will have cancel our picnic.

• The pleura that cover the exterior of the lungs and the inner walls of the chest cavity is a elastic membrane.

• Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions: 

  Tourists can do and see a lot in Ha Long Bay at a reasonable price.

• Choose the correct answer to complete the sentence. "The _______ of the Association of Southeast Asian Nations was designed basing on rice - the most important crop for the Southeast Asian people"

• Choose the correct answer to complete the sentence. "Not having means of drafting, interpreting and enforcing rules, they are unable to ______ a rule-based ASEAN."

• The top of the mountain covered snow during winter.

• From now on , we’re going study really hardly and make sure we will pass exams

• The Nobel Prize winning candidate, accompanied by his wife and children, are staying in Sweden until after the presentatio

• Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier this failures, he would not reached his aims.

• It was in 1971 that transatlantic supersonic transportation became commercially availabilitie

• I advised him about the low ceilings in the house but took no notice and his head three time

• For many years, scientists studying the effects that the sun on human skin.