皮皮学，免费搜题
登录
搜题
【简答题】
写出下列动词的过去式。 1. eat 4. teach 7. play 10. go 2. buy 5. do 8. throw 11. see 3. think 6. catch 9. hurt 12. hit
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
【判断题】在共发射极交流放大电路中，若静态工作点Q位置选的过高，将引起饱和失真
A.
正确
B.
错误
查看完整题目与答案
【单选题】某旅游景区门票为30元,但景区内的许多重要景点没有包括在门票内,旅客要重新购票才能参观。这是哪种定价策略?( )
A.
阶段定价策略
B.
弹性定价策略
C.
个别定价策略
D.
心理定价策略
查看完整题目与答案
【单选题】We couldn’t read the notice on the board because several people were standing _______ it.A．in fr
A.
72. We couldn’t read the notice on the board because several people were standing _______ it. A．in front of
B.
in the front of
C.
at the back of
D.
in back of
查看完整题目与答案
【单选题】复式交分道岔包括()组尖轨和()组可动心轨,需()台转辙机牵引。
A.
2,1,3
B.
3,3,2
C.
2,2,4
D.
1,1,3
查看完整题目与答案
【单选题】(2013·北京，34)If we________a table earlier, we couldn't be standing here in a queue.
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】在共发射极交流放大电路中，若静态工作点Q位置选的过低，将引起什么失真？
A.
饱和
B.
截止
查看完整题目与答案
【单选题】If we________a table earlier，we wouldn’t be standing here in a queue.(2013·北京，34)
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】检查燃气用具是否漏气时，通常采用( )来寻找漏气点。
A.
用火试
B.
肥皂水
C.
闻气味
D.
用胶水
查看完整题目与答案
【单选题】If we ______a table earlier , we wouldn't be standing here in a queue .
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】(2013·高考北京卷)If we________a table earlier，we couldn’t be standing here in a queue.
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
相关题目：
【判断题】在共发射极交流放大电路中，若静态工作点Q位置选的过高，将引起饱和失真
A.
正确
B.
错误
查看完整题目与答案
【单选题】某旅游景区门票为30元,但景区内的许多重要景点没有包括在门票内,旅客要重新购票才能参观。这是哪种定价策略?( )
A.
阶段定价策略
B.
弹性定价策略
C.
个别定价策略
D.
心理定价策略
查看完整题目与答案
【单选题】We couldn’t read the notice on the board because several people were standing _______ it.A．in fr
A.
72. We couldn’t read the notice on the board because several people were standing _______ it. A．in front of
B.
in the front of
C.
at the back of
D.
in back of
查看完整题目与答案
【单选题】复式交分道岔包括()组尖轨和()组可动心轨,需()台转辙机牵引。
A.
2,1,3
B.
3,3,2
C.
2,2,4
D.
1,1,3
查看完整题目与答案
【单选题】(2013·北京，34)If we________a table earlier, we couldn't be standing here in a queue.
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】在共发射极交流放大电路中，若静态工作点Q位置选的过低，将引起什么失真？
A.
饱和
B.
截止
查看完整题目与答案
【单选题】If we________a table earlier，we wouldn’t be standing here in a queue.(2013·北京，34)
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】检查燃气用具是否漏气时，通常采用( )来寻找漏气点。
A.
用火试
B.
肥皂水
C.
闻气味
D.
用胶水
查看完整题目与答案
【单选题】If we ______a table earlier , we wouldn't be standing here in a queue .
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案
【单选题】(2013·高考北京卷)If we________a table earlier，we couldn’t be standing here in a queue.
A.
have booked
B.
booked
C.
book
D.
had booked
查看完整题目与答案