单选题：Those scientists are studying on how to harness the energy

题目内容：

Those scientists are studying on how to harness the energy of the wind. A．create
B．store
C．utilize
D．produce

参考答案：

答案解析：

为了用键盘打开开菜单和执行菜单的命令，第一步应该按的键是（　　）

为了用键盘打开开菜单和执行菜单的命令，第一步应该按的键是（　　）A．功能键F10或Alt B．shift+功能键F4 C．Ctrl或功能键F8 D．Ctrl+A

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The Royal Air Force will launch massive air strikes against the Germans.A．Right

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The police are trying to get back the stolen statue.A．detain B．regain C．track D．

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