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【单选题】
城市是一个开发系统，城市发展需要腹地支持，自然资源主要从( )获得。A.
周边城市
B.
上级城市
C.
区位
D.
下级城市
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反馈参考答案：
举一反三
【简答题】When we stay at a room in a house with central air-conditioning system in summer, we should set the thermostat to a higher level in ______.
【简答题】If you don’t want people to know too much about you, then you had better keep your fridge contents secret, according to a British market research document released last week. Researchers peered (凝视) i...
【简答题】Since you are a little tired，you had better＿＿＿a rest．
【单选题】You don't have to be dead to donate a kidney, but you had better know the risks before you give it up.
A.
Right
B.
Wrong
C.
Not Mentioned
【简答题】You had better give it up. 改为否定句 You had better ------- ------ it up .
【判断题】体内重要的环化核苷酸有 3 ′ ,5 ′ - 环化腺苷酸( cAMP )和 3 ′ ,5 ′ - 环化鸟苷酸( cGMP ) , 不是核酸的组成成分,分别具有放大激素作用信号和缩小激素作用信号的功能,因此称为激素的第二信使。
A.
正确
B.
错误
【单选题】You don't have to be dead to donate a kidney, but you had better know the risks before you give it up.
A.
Right
B.
Wrong
C.
Not mentioned
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