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【单选题】
采暖空调水质PH值一般要求呈( )。A.
碱性
B.
酸性
C.
中性
D.
无所谓
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反馈参考答案：
举一反三
【简答题】Hawking became world-famous in _______. his thirties in the 1970’s the thirties in his 1970 his 30s in 1970’s the thirties during the 1970
【简答题】List the important words and phrases in the passage.
【多选题】根据不同短视频的特点,适合短视频推广的渠道包括( )。
A.
自媒体平台
B.
短视频播放平台
C.
小视频平台
D.
视频网站
E.
电子商务平台
F.
综合咨询类平台
【简答题】范长江(1909～1970)
【单选题】_______, Coca-Cola began to enter China’s market.
A.
In 1970’s
B.
In 1970s
C.
In the 1970s’
D.
In the 1970s
【单选题】About _______ of the workers in the factory were born in the _______. [ ]
A.
two-thirds, 1970
B.
two-thirds, 1970s
C.
two-third, 1970
D.
two-third, 1970s
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