单项选择题

We can infer from the first paragraph that______.

A．the hypothesis is true for acquiring the vocabulary
B．the hypothesis is true for acquiring the grammar
C．researchers hold different views towards the hypothesis
D．researchers agree on the hypothesis

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单项选择题

The expression no less than in the third paragraph can be replaced by______.

A．fewer than
B．as few as
C．as many as
D．not more than

单项选择题

The county seat is a place______.

A．where the state government offices are located
B．where the federal government offices are located
C．where the board of supervisors meets
D．where judges of the supreme court meet