Science is still ______ of the causes of many kinds of cance

【名词&注释】

无意识(unconsciousness)、胜利者(victor)

[单选题]Science is still ______ of the causes of many kinds of cancer.

A. ignorant
B. unconscious
C. conscious
D. informed

查看答案&解析

举一反三：

[单选题]

B． as C． and D． but 正确答案：D解析：本句话是一个转折关系，应该由but一词体现前后的对比关系。全句意思为：也许他们是胜利者，但他们肯定不是最文明的。

A. sinceB． as
B. and
C. but

[单选题]

B． way C． means D． method 正确答案：A解析：other than=not(而不是)，为一个固定搭配词组。

A. thanB． way
B. means
C. method

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