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1. Among the crises(危机)that face humans is the
shortage
of natural resources.(20l3上海单项填空改)
【考点】
不可数名词;
【答案】
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单词拼写（单句）
普通
课时演练
换一批
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. News reports are
broadcast about extreme rainstorms，and accidents happening with increasing
.(frequent)
语法填空（单句）
普通
3. The drug can reduce the
(frequent) and severity of heart attack.
语法填空（单句）
普通