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问题 不定项选择题

在化学上，常用一条短线表示一个化学键，在如下图所示的有关结构中，直线（包括虚线）不表示化学键或不完全表示化学键的是 [ ]

A．石墨的结构  

B．白磷的结构

C．CCl4的结构  

D．立方烷(C8H8)的结构

答案

AC

填空题

用方框中所给单词的适当形式填空，使短文通顺正确、连贯（每个单词限用一次）。

This week we asked students at New High School about the best ways to learn more English. Many said they learnt by using English. Some students had more  小题1: suggestions. Lillian Li, for example, said the best way to learn new words was by reading English magazines. She said that  小题2:  the words of pop songs also helped a little. When we asked about studying grammar, she said,” I never study grammar. It’s too boring.”

Wei Ming feels  小题3: . He’s been learning English for six years and really love it. He thinks studying grammar is a great way to learn a   小题4:.He also thinks that watching English movies isn’t a bad way, because he can watch the actors say the words. Sometimes, however, he  小题5:   watching movies frustrating because the people speak too quickly.
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解答题

目前只能通过注射药物来治疗糖尿病，口服药物无效．______．
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