Question

Unlike watching TV, reading is a highly active process(过程)________ it requires attention as well as memory and imagination．

[　　]

A．

until

B．

but

C．

unless

D．

for

Answer 1

答案：D
解析：

句意为：“不像看电视一样，读书是一项高度活跃的过程，因为它不仅需要记忆和想像，也需要注意力。”根据逻辑关系判断后面是为前面的观点提供一个证据或说明，此时需要并列连词for。