Which of the following is closet in meaning to "frigid" in paragraph 1?
A. Rarely recorded
B. Extremely cold
C. Never changing
D. Quite harsh
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31. The word “hidden” in paragraph 1 is closest in meaning to ____________.
A. undrinkable B. untouched C. unexploitable D. undiscovered
32. What is true of Lake Vostok?
A. It is completely frozen. B. It is a saltwater lake.
C. It is beneath a thick slab of ice. D. It is heated by the sun.
33. Which of the following is closest in meaning to “frigid” in paragraph 1?
A. extremely cold B. easily broken C. quite harsh D. lukewarm
34. All of the following are true about the 1970 survey of Antartica EXCEPT that it ______________.
A. was conducted by air B. made use of radio waves
C. could not determine the lake’s exact size. D. was controlled by a satellite.
35. It can be inferred from the passage that the ice would not be flat if _____________________.
A. there were no lake underneath B. the lake weren’t so big
C. Antartica weren’t so cold D. radio waves weren’t used
36. The word “microbes” in paragraph 3 could best be replaced by which of the following?
A. pieces of dust B. tiny bubbles C. tiny organisms D. rays of light
37. Lake Vostok is potentially important to scientists because it__________.
A. can be studied using radio waves B. may contain uncontaminated microbes
C. may have elevated levels of ultraviolet light D. has already been contaminated
38. The word “downside” in paragraph 3 is closest in meaning to ___________.
A. bottom level B. negative aspect C. underside D. buried section
39. The last paragraph suggests that scientists should be aware of___________.
A. further discoveries on the surface of Antartica
B. problems with satellite-borne radar equipment
C. ways to study Lake Vostok without contaminating it.
D. the harsh climate of Antartica
40. The purpose of the passage is to____________.
A. explain how Lake Vostok was discovered
B. provide satellite data concerning Antartica.
C. discuss future plans for Lake Vostok
D. present an unexpected aspect of Antartica’s geography.
Đáp án B.
A. food: thực phẩm.
B. clothing = apparel: quần áo.
C. equipment: trang thiết bị.
D. Morale: tinh thần.
Dịch câu: Trong một số ngành công nghiệp, quần áo của người lao động không chỉ cồng kềnh mà còn khá nặng nề.
Đáp án B