This morning I went to a nearby food sto

题型:改错题

问题:

This morning I went to a nearby food store to buy some breads. After the man in the store packing the bread in a small bag for me, I began to walk home with bag in my hand. On the way I met my next-door neighbor, Miss Wang, that was walking her dog .We greeted with each other and begin to talk about the weather. As we were talking, his dog came up at the bag in my hand though the bread gave off a delicious smell. As a result, some of the bread fell to the ground or the dog began to enjoy it. Five minutes late, I was back at the store to buy bread again.

考点:序数词
题型:改错题

军装:士兵

A.套装:女人

B.服装:场合

C.警服:警察

D.制服:邮递员

题型:改错题

“大风吹”活动的参与人数在()最佳。

A.10-20

B.20-30

C.30-50

D.40-60

题型:改错题

可燃气体、可燃液体的蒸气或可燃粉尘和()混合达到一定浓度时,遇到火源就会爆炸,这个浓度范围称为爆炸极限。

A.氢气;

B.空气;

C.可燃气体;

D.氮气

题型:改错题

若某投资项目可行,则(  )。

A.NPV大于等于国家颁布值

B.NPV大于等于0

C.NPV小于企业可以接受水平

D.NPV大于初始投资

题型:改错题

在计算由温差引起的预应力混凝土构件预应力损失σl3时,温差Δt指的是( )。

A.钢筋与混凝土之间的温差
B.钢筋与混凝土产生粘结力后,钢筋与承拉设备之间的温差
C.张拉钢筋时,钢筋与承拉设备之间的温差
D.混凝土蒸汽养护时,钢筋与承拉设备之间的温差

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