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【单选题】
下列关于打桩顺序的叙述，不正确的是（）。A.
由一端向另一端打
B.
先打浅桩，后打深桩
C.
密集群桩由中心向四边打
D.
先打坡顶，后打坡脚
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举一反三
【简答题】I like singers who ( )(be) really cool.
【单选题】— Who is your favorite singer.Julia? 一 Well, it's hard to say. I like singers _____ write their own lyrics. [ ]
A.
who
B.
whose
C.
which
D.
what
【简答题】Dialogue 2 A: Who is your favorite singer? B. Yes, they are my favorites. C. I often enjoy their music by surfing the Internet. D. I like Taylor Swift best. E. What’s your hobby? Boy: 6 Girl: I like s...
【单选题】—Who is your favorite singer, Julia? —Well,it's hard to say. I like singers ____ write their own lyrics. [ ]
A.
who
B.
whose
C.
which
D.
what
【单选题】—Who is your favorite singer? —I like singers ______ can write their own songs. [ ]
A.
which
B.
who
C.
∕
【单选题】下列描述不正确的是
A.
单稳态触发器具有一个稳态、一个暂稳态，暂稳态是其主要性能体现
B.
单稳态触发器的暂稳态维持的时间与触发脉冲紧密相关。
C.
555 定时器可方便地构成单稳态触发器。
D.
多谐振荡器为无稳态电路。
【简答题】补全对话。 A. I like the singers who care about the poor. B. It is about a singer who helps poor children. C. Yes, his name is Cong Fei (丛飞). D. Yes, if everyone does a bit, our life will be nicer. E. What...
【简答题】你认识下面这些酒么?请用以上三种分类方式去描述: 例如: N 酒是酿造酒、佐餐酒、低度酒 A酒 2. B酒 3. C酒
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