问题
多项选择题
输送丁二烯的管道不应形成（）。
A.三通
B.袋状
C.死角
D.弯头
答案
参考答案：B, C
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输送丁二烯的管道不应形成（）。
A.三通
B.袋状
C.死角
D.弯头
参考答案：B, C
A. Read a magazine.
B. Write an email.
C. Take a trip.
2. 你想要表达兴奋的心情，可以这样说：[ ]
A. I am tired.
B. I am happy.
C. I am excited.
3. 双胞胎总是长得非常相像，你可以这样来描述他们：[ ]
A. They are the same.
B. They look the same.
C. They like the same.
4. 你想知道你笔友的叔叔住在哪里，可以这样问：[ ]
A. What does your uncle live?
B. Where does your uncle live?
C. When does your uncle live?
5. 你建议给小宠物起个名字叫Lucky，可以这样说：[ ]
A. How about naming the pet Lucky?
B. What about name the pet Lucky?
C. How about call the pet Lucky?