瓦搭接要避开主导风向,以防漏水。( )

题型:判断题

问题:

瓦搭接要避开主导风向,以防漏水。( )

考点:防水工初级防水工初级
题型:判断题

阅读理解。

    In 2000, at the age of 56, Jeff was going to take a difficult and dangerous journey (旅行) in the Arctic

(北极地区). He was planning to walk to the North Pole all by himself, pulling his food, tent (帐篷) and

other things behind him in two sledges (雪橇). Because the Arctic is covered with ice and water, he would

sometimes have to sit on his sledges and use them like a boat!

    Before he started his journey, to make himself stronger, Jeff spent 2 years practicing running and took

part in many boat races. He had also traveled in the Arctic for 28 years. All of this was good for him. But

there was still trouble.

    Jeff was seven days into his journey in the Arctic. It was dark and terribly cold (-35℃). In face of this

terribly low temperature, he had made good progress across the ice. Suddenly, the ice broke and one of his

sledges fell into the sea. Jeff needed to get it back, so he had to put his hand into the ice-covered water.

    Once he had got the sledge back, Jeff put up his tent, lit a fire and tried to warm up his cold hand. It was

no help-his hand was seriously hurt as it had been in the cold for so long. He radioed for help, and an airplane

was sent to save him. Finally, he arrived at a hospital in Canada. The doctors there said he hurt his left hand

in the icy water. They saved his hand and advised him not to travel to the North Pole alone any more.

    But Jeff was an explorer and nobody could change his mind. It would be yet another long and difficult

challenge for Jeff soon.

1. Jeff started to travel in the Arctic in           . [ ]

A. 1970

B. 1972

C. 1998

D. 2000

2. Jeff            for 2 years before his journey.[ ]

A. made a special tent

B. practiced running

C. had medical checks

D. took a long walk

3. After one of his sledges fell into the sea, what did Jeff do first? [ ]

A. He put his hand into water.

B. He lit a fire near the tent.

C. He warmed up his hand.

D. He put up his tent.

4. In your opinion, what was Jeff like? [ ]

A. He was a terrible old man.

B. He was a good tour guide.

C. He was a famous scientist.

D. He was a nice man with strong will.

题型:判断题

村卫生室、诊所和社区卫生服务站使用抗菌药物开展静脉输注活动,应经何部门核准()

A.省级卫生行政部门

B.省级药品监督管理部门

C.县级卫生行政部门

D.县级食品药品监督管理部门

E.上级乡镇卫生院

题型:判断题

下图中A、B、C、D、E各代表木炭、氧气、一氧化碳、二氧化碳、氧化铜中的一种,在一定条件下,相连环物质间能发生反应,若B为固体,C为氧化铜,则:

(1)A、D物质的化学式分别是:A_______;D_______。

(2)请写出C与D反应的化学方程式:________。 

题型:判断题

(1)古代希伯来人创造灿烂文明 (2)屡遭外族入侵,四散流亡(3)中东战争爆发,地区冲突加剧(4)“二战”时,犹太人被大肆杀戮(5)1948年,以色列建国

A.1-3-2-4-5

B.1-2-3-4-5

C.1-3-4-5-2

D.1-2-4-5-3

题型:判断题

为了减少手机在使用过程中电磁辐射对人体的影响,打电话时我们应前后走动这个说法正确吗?

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