2. 外语
  3. The passage is primarily concerned with______ If the “new techniques” mentioned in line 31 were applied in studies of biologica

The passage is primarily concerned with______ If the “new techniques” mentioned in line 31 were applied in studies of biologica

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问题 The passage is primarily concerned with______
If the “new techniques” mentioned in line 31 were applied in studies of biological classifications other than bacteria, which of the following is most likely?
选项 A、Some of those classifications will have to be reevaluated.
B、Many species of bacteria will be reclassified
C、It will be determined that there are four main categories of living things rather than three.
D、It will be found that true bacteria are much older than eukaryotes.
E、It will be found that there is a common ancestor of the eukaryotes, archaebacteria, and true bacteria.
答案A
解析 The best answer is A. This question requires you to select the answer that, based on information presented in the passage, describes the most likely result of applying the “new techniques” (lines 31) to biological classifications other than bacteria. Lines 31-36 state that these techniques “produced…information about the degree to which organisms are related.” Specifically, the techniques “strongly suggested” that the prokaryotes category includes two distinct kinds of organisms (lines 36-37). This information, which suggests a reevaluation of the prokaryote classification, provides support for the statement that “classification other than bacteria’ are also likely to require reevaluation if the same techniques are used to study them, as A states.
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