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huynhtrieu
2 năm trước
Một ống day có 500 vòng , chiều dài 50cm Biết từ trường trong lòng ống dây có độ lớn 2.5.10^-3 . Cường độ dòng điện qua ống dây có giá trị
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VIII. Read the following passage and circle the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.(1.0pt) Many people are attending the international robot show in Ho Chi Minh City today. Young people are very interested in home robots. These robots can cook, (1) ______coffee and tea, make the bed, do the washing up, clean the floors and toilets and do the gardening. The children like teaching robots (2)______ these robots can help students study. Teaching robots can teach students mathematics, music and other subjects. They can help children speak, write, read and listen English (3)_____. Adults like worker robots because they can build houses, big buildings and bridges and they can build cars, doctor robots can help to (4)______ the diseases for sick people and space robots can build space stations on the Moon. 1. A. guard B. buy C. make D. do 2. A. so B. because C. although D. or 3. A. good B. well C. bad D. badly 4. A. cause B. understand C. save D. find out

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