皮皮学，免费搜题
登录
搜题
【简答题】
根据句意及首字母提示填空。 1. Can you p_________ me with some books on science? 2. Could you tell me how to p_________ this word ? 3. Everyone in my class w_________ about the coming exam. 4. You can find p_________ telephones easily in our city now. 5. That year's Olympics were s_________ because the games were coming back to the country where they started. 6. The policemen have caught the thief who matches Mrs Li's d_________ . 7. Hong Kong has lots of great e__________. 8. I want to join the school v________ project. 9. It's d_________ to swim alone in the river. 10. What's wrong with the flowers ? Some of the l_________ are turning yellow.
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】N沟道和P沟道场效应管的区别在于____。
A.
衬底材料前者为硅，后者为锗；
B.
衬底材料前者为 N 型，后者为 P 型；
C.
导电沟道中载流子前者为电子，后者为空穴。
D.
衬底材料前者为 N 型，后者也为 N 型
【简答题】调节阀口径大或压差高时可选用（）执行机构。
【单选题】One way to ______ species under threat of extinction is to remove them to zoos and parks and feed them there.
A.
reserve
B.
prevent
C.
preserve
D.
reduce
【简答题】调节阀口径大或压差高时可选用（）执行机构。
【单选题】N 沟道和 P 沟道场效应管的区别在于 ____
A.
衬底材料前者为硅，后者为锗
B.
衬底材料前者为 N 型，后者为 P 型
C.
导电沟道中载流子前者为电子，后者为空穴
D.
衬底材料前者为 P 型，后者为 N 型
相关题目：