The drug can reduce the (frequent) and severity of heart attack.

1. The drug can reduce the (frequent) and severity of heart attack.

【考点】

不可数名词;

【答案】

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语法填空（单句）普通

1. The doctor shares his phone number with the patients in case they need medical (assist)．

语法填空（单句）普通

2. 他观察这种动物的时间越长，对其了解程度就越深。(the more…the more; spend doing)(教材P45)

句子翻译困难

3. 据说你们学校要举办夏令营，有一些课程可供选择。(it is said that;be to do sth)

句子翻译困难