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阅读理解。 The Inventions Paper was first made in the year 105. It was made by a Chinese named Cai Lun. For over 500 years paper was made only in China. People in Japan learned of paper around the year 600. As years went by, people in other places began to make paper. The lead pencil is not made of lead. It is made of graphite. People found graphite in 1564. They thought it was a kind of lead. Today we still call pencils 'lead pencils'. The first pencils were made by putting strings around sticks of graphite. The first wooden pencils were made by Kasper Faber in Germany in 1761. Erasers like those we use today were first made in France by a man named Magellan in 1752. It was Hyman L. Lipman who first put eraser on the ends of pencils. And that is how the pencils came to be. 1. How many years earlier was paper made in China than in Japan? A. About 100 years. B. About 400 years. C. more than 500 years. D. 495 years. 2. Germans made paper _____. A. earlier than Japan B. later than Japan C. as early as Japan D. as late as Japan 3. At first pencils were made of _____. A. wood B. lead C. sticks D. strings and graphite 4. Kasper Faber was _____. A. an Englishman B. a Frenchman C. a German D. an American 5. Which of the following statements is NOT true? A. Paper was first made in China. B. Graphite isn't a kind of lead. C. The first wooden pencils were made in Ger many. D. Hyman L. Lipman made the first erasers.
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【简答题】根据《中华人民共和国公务员法》,下列属于综合管理类非领导职务的有:() a、巡视员 b、副调研员 c、办事员 d、督察员
【单选题】图示结构截面A的弯矩是( )。
A.
M
B.
-M
C.
-2M
D.
0
【单选题】Shareholders of a corporation:
A.
have limited liability for the corporation's debts.
B.
have unlimited liability for the corporation's debts
C.
have unlimited liability for the actions of other stockholders.
D.
receive dividends from the corporation without having to pay tax on the distribution.
【单选题】设置表的默认字符集关键字是( )
A.
DEFAULT CHARACTER
B.
DEFAULT SET
C.
DEFAULT
D.
DEFAULT CHARACTER SET
【多选题】根据《中华人民共和国公务员法》,下列属于综合管理类非领导职务的有:﹍﹍﹍()
A.
巡视员
B.
副调研员
C.
办事员
D.
督察员
【单选题】设置表的默认字符集关键字是 。
A.
dafault  character
B.
dafault  character set
C.
dafault  set
D.
default
【单选题】图(a)所示结构截面K的剪力影响线Q K 如图(b)所示,其中竖标1是:(    )。
A.
P=1在A点时,截面K的剪力;    
B.
P=1在B点时,截面B的剪力;
C.
P=1在K点时,截面K的剪力;    
D.
P=1在K点时,支座截面B的剪力。
【单选题】A joint-stock corporation allows people to ______.
A.
divide the corporation's property
B.
hold shares of the corporation
C.
return their percentage back to the corporation
D.
divide their initial investments to a corporation
【多选题】设置表的默认字符集关键字是()
A.
DEFAULTCHARACTER
B.
DEFAULTSET
C.
DEFAULTCHARSET
D.
DEFAULTCHARACTERSET
E.
DEFAULTSETCHARACTER
【单选题】图示结构截面 A 的弯矩(以下侧受拉为正)是:
A.
m
B.
- m
C.
- 2 m
D.
0
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