A．affirmB．ascertainC．confirmD．certifyDespite all the po……

单项选择题Hardly a week goes by without some advance in technology that would have seemed ______ 50 years ago.

单项选择题Anyone who can study abroad is fortunate; but, of course, it is not easy to make the ______ from one culture to another.

单项选择题All unattractive women executives were thought to have more ______ and to be more capable than the attractive female executives.

单项选择题All efforts to ______ him with his elder brother proved in vain; they didn't talk to each other as before.

单项选择题According to the passage, an unlabeled use of a drug is any use that ______.