搜题请搜索小程序“爱下问搜题”
问题 多项选择题

在施工合同中，承包人的工作主要有( )。

A．土地征用和拆迁

B．临时用地、占道申报批准手续

C．施工现场地下管道的保护工作

D．提供围栏设施

E．提供工程进度计划及计划统计报表

答案

参考答案：C,D,E

选择题

设A={1，3，a}，B={1，a2-a+1}，若B⊆A，则a的值为（　　）

A．2或1

B．2或-1

C．-2或1

D．1或-1
查看答案
完形填空
补全对话。从方框中选择最佳选项完成对话，有两项多余。
A. Will you go there?
B. For a whole week.
C. How are you going there?
D. When are you going there?
E. Sounds great. I hope to visit them ,too.
F. Who are you going with?
G. Where are you going?
A: Hi, Zhang Fan!You look so busy.
B: Yes, I am busy preparing for vacation.
A: ___小题1:_______
B: To Qingdao.
A: Qingdao?  ___小题2:_________
B: Tomorrow. I’m going there with my family.
A: How long are you staying there?
B: __小题3:___ We are going to lots of places to do some sightseeing.
A: We all know the beaches of Qingdao are very beautiful. ___小题4:_____.
B: Of course. When I lie on the beaches, I will feel so cool and relaxed.
A: __小题5:_____
B: I’m sure you’ll love them.
查看答案