皮皮学，免费搜题
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【单选题】
在长期中，如果一个很小的企业扩大其生产规模，最初它很可能经历（）A.
规模经济（规模收益递增）
B.
规模不经济（规模收益递减）
C.
平均总成本增加
D.
平均总成本不变
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：Hi, Jason. How did you like the Fashion Show you saw last night? (4)
A.
it was a waste of time.
B.
Yes, I did.
C.
No, I didn't.
D.
It lasts two hours.
【单选题】听力原文：M: How did you like the new exhibit at the art gallery? W: I still haven't been able to take any time out from studying. Q: What does the woman mean? (14)
A.
She doesn't want to see the exhibit.
B.
She hasn't gone to see that exhibit yet.
C.
She prefers to go to the art gallery rather than study.
D.
She hopes that they will take some of the paintings away.
【单选题】删除触发器的命令是________________。
A.
delete trigger
B.
drop trigger
C.
drop function
D.
delete function
【单选题】—Did you like the book T gave you? — the novels that I've read, I enjoyed this one the most.
A.
Of all
B.
All of
C.
For all
D.
From all
【单选题】创建触发器，修改触发器和删除触发器的命令分别是：（ ）。
A.
CREATE TRIGGER ； ALTER TRIGGER ； DROP TRIGGER
B.
CREATE TRIGGER ； UPDATE TRIGGER ； DROP TRIGGER
C.
CREATE TRIGGER ； ALTER TRIGGER ；DELETE TRIGGER
D.
CREATE TRIGGER ； UPDATE TRIGGER ； DELETE TRIGGER
【单选题】用于删除触发器的命令是______。
A.
DROP TRIGGER
B.
DROP TRIGGERS
C.
CANCEL TRIGGER
D.
DELETE TRIGGER
【单选题】Did you like the new version of the movie?
A.
No, I like the old one better.
B.
No, I couldn't see it very well.
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