填空题

I believe in the theory that ________________________________________________ (高等动物是由低等动物发展而来的）。

【参考答案】

more complicated animals developed from the simple animals
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单项选择题
The phrase bread-and-butter business (Line 1, Para. I ) most probably means _________.[A] a business to sell bread and butter [C] the business to make a living[B] a business to produce bread and butter [D] a traveling agency
A．The phrase "bread-and-butter business" (Line 1, Para. I ) most probably means _________.
B．a business to sell bread and butter
C．a business to produce bread and butter
D．the business to make a living
E．a traveling agency
填空题
The circulation figures have risen ___________________ (自从我们在头版上采用了彩色照片后).
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