Many exercises such as calisthenics, running, or to swim involve producing muscle tension through a range of movements that are called isotonics.

Câu hỏi liên quan

• I’ve got my photos drying out on the kitchen floor, so whatever you will do, don’t tread on them!

• When eggs of some species of insects hatch, the newly born insects look almost like its adult counterparts.

• Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

  So far he (write) _______________ one hundred books.

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• Home is place where I feel heaven and my parents are the reason __________ (11) it.

• In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes, and ketchup.

• The mayor and the council, meeting at the city hall as usual, they did not discuss the proposed new sports complex as planned.

• Mary found it hard to concentrate on her work because the noise

• Because silk is the strongest of all natural fibers, ranking in strong with the synthetic fiber nylon, its delicate look and fell are deceptive.

• In the United States, the leading butter-producing states which are Wisconsin, California, and Minnesota

• I need not offer any explanation regarding this incident – my behavior speaks itself.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  I try to do my homework___________ the noise.

• Most country music songs are deeply personal and deal with themes of love, lonely, and separation.

• Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

  If he came here today, we (feel) _______________ happier.

• Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates , and transportation.

• Choose the best answer: 
  Science and technology are the keys............economic and social development.

• Choose the word/phrase (A, B, C, D) that best fits the space in each sentence:

  She has worked as a secretary______ she graduated from college.

• A majority students in this university are from overseas.

• Tom didn’t believe in us, and it took along time to convince him.

• Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year.

• Before bridges were built, all transport across major rivers in the area were by ferryboat.