皮皮学，免费搜题
登录
搜题
【单选题】
2下列属于可逆反应的是（ ）。A.
苯的磺化反应。
B.
苯的卤代反应。
C.
苯的酰化反应。
D.
苯的硝化反应。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It will be impossible to make weather forecasts using the analog method ______
A.
when the current weather scenario differs from the analog.
B.
when the current weather scenario is the same as the analog.
C.
when the analog is over ten years old.
D.
when the analog is a simple repetition of the current weather scenario.
【简答题】By using the Inductrack, the train will slow down and finally rest on ______ when the power is off.
【单选题】When using similes or metaphors…
A.
Less is definitely more.
B.
It’s better not to use the trite and clichéd examples as they’ve been used many times before.
C.
Better to avoid using similes one after the other.
D.
All of the above.
【简答题】When using public transportation, the visitors are suggested ______ because in this way they may know less about the local culture.
【简答题】Which of the following effects is most likely to occur when using ratio screens for high dividend yield stocks and low P/E stocks, respectively?
【单选题】流感病室用食醋熏蒸消毒，每100m3空间食醋的用量为( )
A.
5～10ml
B.
20～40ml
C.
50～100ml
D.
200～400ml
E.
500～1000ml
【单选题】传统的中医理论中,“五行”即指( )是对大自然里事物的总结和提炼。
A.
木、火、土、金、水
B.
生、克、乘、侮
C.
仁、义、礼、智、信
D.
老阴，少阴，少阳，老阳
【单选题】When using the words every day, ____.
A.
you understand better how they are used
B.
you become more confident about using them
C.
you may not be able to use "thin" or "narrow" correctly
【单选题】Which is recommended when using a mobile phone?
A.
Holding it to your ear
B.
Doing a handstand
C.
Using a headset
相关题目：