平行于坝轴线方向的缝称为( )。 A.纵缝 B.斜缝 C.错缝 D.横缝

题型:单项选择题

问题:

平行于坝轴线方向的缝称为( )。

A.纵缝
B.斜缝
C.错缝
D.横缝

考点:一级建造师水利水电工程水利水电工程管理与实务
题型:单项选择题

Abraham Lincoln, President of the United States, was not very handsome, and he knew he was not.

One day, Lincoln was walking on the road when he was stopped by an ugly man .The man had a gun in his hand. He took aim (瞄准) at Lincoln’s nose. Lincoln was very surprised, but he pretended(假装) not to be afraid. He asked the man, “What do you want, sir?”“I’ve promised myself,” said the man, “if I find a man who is uglier than I, I’ll kill him.” Then Lincoln looked at the man’s face carefully and then said, “Please take aim at me, sir. If I were uglier than you are, I would not want to live.” The man looked at Lincoln again, after a minute, he said, “You are right!” And he went away.

小题1:Abraham Lincoln was famous because ____.

A.he was very ugly

B.he was very handsome

C.he was a successful leader

D.he was tall and strong小题2:Abraham Lincoln was stopped one day on the road by ____.

A.his enemy

B.a soldier

C.an ugly stranger

D.a handsome man小题3:The man wanted to kill Lincoln because he ____.

A.wanted to be the ugliest man

B.was from the south

C.was a slave (奴隶) owner

D.was against him小题4:We can guess that in the end ____.

A.Lincoln was killed

B.the man killed himself

C.Lincoln didn’t want to live

D.Lincoln saved himself by his wit(机智)

题型:单项选择题

关于x的一元二次方程kx2-6x+1=0有两个不相等的实数根,则k的取值范围是(  )

A.k≥9

B.k<9

C.k≤9且k≠0

D.k<9且k≠0

题型:单项选择题

(2008年·四川)杨某个人独资开办的造纸厂由于没有配置污水处理设备,将含有挥发酚等有毒物质的污水排入引黄干渠,曾受到当地环保部门处罚。某日,污水池决口,大量污水流入与引黄干渠一闸之隔的壕沟。杨某派工人将闸门提起,使壕沟里的污水经引黄干渠流入水库。引黄管理局发现后要求该厂立即清污,但未及时通知水库管委会和自来水公司。两个小时后,库中41万方饮用水被污染。被污染的库水进入城市供水系统,致城市供水中断三天。水库经济损失24.6万元,自来水公司清除污染费用4.34万元,营业损失10.96万元。请回答以下95-97题:

(2008年·四川 95题)环境保护行政主管部门有权对该厂采取的行政处罚是:

A.收取超标排污费,并罚款

B.作出限期治理决定

C.责令安装使用污水处理设备

D.责令其停业或关闭

题型:单项选择题

售票工作最重要的是()。

A、迅速

B、方便

C、准确无误

D、细心

题型:单项选择题

为了防止混油,当管线和油泵需混用时,使用后应清扫管线及泵内余油,必要时在下次使用前还要()。

(A)用待送油品清洗管道

(B)用水清洗管线和油泵

(C)用待送油品清洗管线和油泵

(D)不需要清洗

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