No other quality is more important for a scientist to acquire______observe carefully.
A．as to
B．than to
C．just like to
D．so as to

A.
A．as
B.than
C.just
D.so

【参考答案】

B
本题考查形容词比较级的用法，根据题意，对于一个科学家来说，没有比认真仔细的观察更为重要的品质了。用的是'no......

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