2. 外语
  3. Scientists are ______ certain that there is a cancer-inhibiting agent in the blood of the shark.

Scientists are ______ certain that there is a cancer-inhibiting agent in the blood of the shark.

admin2011-02-26  32
问题 Scientists are ______ certain that there is a cancer-inhibiting agent in the blood of the shark.
选项 A、dubiously
B、virtually
C、queerly
D、randomly
答案B
解析
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