皮皮学，免费搜题
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【判断题】
影响嫁接成活的关键因素是是否有嫁接亲和力 （）A.
正确
B.
错误
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】I'm doing my homework. Could you please _____ the TV a little? [ ]
A.
turn up
B.
turns up
C.
turn down
D.
turns down
【单选题】Will you __ the light? It's dark in the room. I can't see clearly. [ ]
A.
turn on
B.
turn of
C.
turn down
D.
turn up
【单选题】Finally, save your document before you ________ your computer.
A.
turn on
B.
turn up
C.
turn off
D.
turn down
【单选题】I can’t hear the news. Would you mind ________ the TV?
A.
turn down
B.
turn up
C.
turning up
D.
turning down
【单选题】I'm reading now. Please tell him the TV a bit. [ ]
A.
turn up
B.
turn off
C.
to turn down
D.
turn down
【单选题】We invited her to dinner but she didn’t even bother to _______.
A.
turn in
B.
turn up
C.
turn on
D.
turn down
【单选题】__________ the radio, please. I want to listen to the weather report. [ ]
A.
Turn on
B.
Turn off
C.
Turn down
D.
Turn up
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