(1)作出斜面上的木块对斜面的压力示意图; (2)作出水面上木块所受浮力的示意图

题型:问答题

问题:

(1)作出斜面上的木块对斜面的压力示意图;

(2)作出水面上木块所受浮力的示意图.

考点:力的示意图
题型:问答题
阅读理解。
Found: Watch.
Is this your watch?
It is a yellow watch.
Please call Paul at 439-6175.

Lost:
My backpack.
It is blue with a duck(鸭子) on it.
Please call Linda.
Phone 416-3592.

Found: Dictionary.
Is this your English-Chinese dictionary?
It's red. It's under my desk.
Please call Alan at 485-7700.

Lost:
My school ID card.
My name is Jim.
Please call 465-0921.

Found: Cat.
Is this your cat?
It's black and white.
Please call Gina.
Phone 458-3216.
1. If (如果) your watch is lost, you can call _____.
A. 439-6175
B. 485-7700
C. 458-3216
D. 416-3592
2. Linda's _____ is lost.
A. duck
B. cat
C. backpack
D. dictionary
3. Alan found an English-Chinese dictionary _____.
A. on his bed
B. under the chair
C. on the table
D. under his desk
4. If you find a school ID card, it may (可能) be _____.
A. Alan's
B. Jim's
C. Paul's
D. Gina's
5. The cat is _____.
A. black and white
B. blue
C. red
D. yellow
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针对由于总需求不足导致的( )与衰退局面,中央银行会采取宽松的货币政策,增加货币供应。

A.货币贬值

B.动乱

C.滞留

D.失业

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下面是PC机中主板的物理尺寸规范,目前最流行的是:

A.Baby=AT板

B.ATX板

C.NLX板

D.WTX板

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固井施工技术员到井后,一定要求井队循环洗井,按固井设计要求的排量进行洗井,洗井的时间不少于()个循环周期的时间。

A、1

B、2

C、3

D、8

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A、路边交换机

B、节点机房

C、基站

D、核心机房

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