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问题 多项选择题

木材下列强度中比较大的强度是( )。

A．横纹抗压

B．顺纹抗压

C．顺纹抗拉

D．顺纹抗剪

E．顺纹受弯

答案

参考答案：B,C,E

解析： 木材的力学特性是各向异性。顺纹抗压、抗拉强度都大。受弯是顺纹受拉、受压的联合，所以强度也高。而横纹抗压、顺纹抗剪强度比较低。

多项选择题

逐瘀止血汤的方药组成哪些是正确的（）

A.归尾、枳壳

B.桃仁、龟甲

C.生地、大黄

D.赤芍、丹皮

E.川断、寄生
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填空题



In the early 1970’s, Citibank of New York City became one of the first financial institutions to install ATM’s on a large scale. Since then, the (1) of automated teller machines has increased dramatically. At the time, the bank hoped (2) their operating costs by replacing human tellers with machines. Little did they (3) that the cash machines would become so successful. However, as more banks added (4) automated service through ATM’s, the machines mushroomed all over the world.
To use an ATM, all you need is a (5) issued by your bank. Your bank may also (6) through a credit card, such as MasterCard or Visa. To begin a (7) , you need to insert the card into an ATM and punch in a personal identification number on the (8) . The personal ID number may consist of (9) and can prevent anyone from using the card.
The ATM next flashes instructions on its (10) for carrying out transaction. To get cash, for example, you are instructed to (11) that indicate whether the money should be withdrawn from a checking or a savings account and the (12) . This request is then displayed on the screen. After you press a button to (13) that the information is correct, the ATM goes to (14) .
How safe, you may ask, is banking by ATM The (15) is meant to prevent anyone, no matter who you are, from using a cash card (16) . If you enter the wrong ID number for a card, a message on the screen will (17) . If you fail to produce the correct number for three times, most machines will (18) .As another precaution against (19) , the bank generally limits the amount that may be withdrawn by cash card (20) , say, to $ 200.
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