专四
单选题The phrase "ward off' in the fourth paragraph is closest in meaning to
参考答案：B进入在线模考
词义理解题。第4段指出很多人认为维生素C能预防感冒，但各种研究得出的结果令人失望：维生素片不能预防感冒。因此文中ward off与B选项的意义最接近，故选B。
你可能感兴趣的试题
最新试题
Write on ANSWER SHEET THREE a note of about 50-60 words base
类型：简答题2014-02-26
In some countries young people are encouraged to work or tra
类型：简答题2014-02-26
What does the author suggest as the primary factor of formi
类型：单选题2014-02-26
What would the author benefit from the habit?
类型：单选题2014-02-26
The author would read the words aloud _________．
类型：单选题2014-02-26
What was the first new habit that the author would accompli
类型：单选题2014-02-26
根据以下资料，回答题：
类型：单选题2014-02-26
Dried foods
类型：单选题2014-02-26
Nowadays vegetables are most commonly dried
类型：单选题2014-02-26
Alkaline solutions are used to
类型：单选题2014-02-26