债券收益率曲线通常表现的形态包括( )。 A．正向收益率曲线 B．反向收益率曲线

Around the world, people have different ideas about what good manners are.

When you go to restaurants in different parts of the world, it’s  46 to know the right and wrong things to do. For example, in China it’s OK to  47 a lot of noise in a restaurant. In fact, if a restaurant isn’t   48 or lively, you may think there’s something wrong with it. However, in many western countries, restaurants are quiet places. If a table is too loud, other people who are eating there might even  49 to the owner of the restaurant.

Paying the bill    50 also different from country to country. In China, one person usually pays  51 everybody. In western countries, one person pays if he or she is entertaining clients(宴请宾客), but  52 friends eat together, they usually share the cost. This is called “Going Dutch（均摊费用）”.Also, when westerners pay the bill, they usually leave some money for the  53 .This is called “leaving a tip(小费)”. Leaving a tip is thought to be polite. In the US, it’s  54 to leave tips of 10％,15％,or 20％ of the bill, which is decided by how good the service is. Good waiters can make a lot of money!

The way people eat food is different in the world, but you can  55 the same kind of food in many countries. Chinese and Italian food, for example, are popular all over the world.

小题1:A. popular           B. difficult              C. important

小题2:A. cause             B. keep                 C. make

小题3:A. noisy             B. noise                C. lucky

小题4:A. shout              B. explain              C. complain

小题5:A. are               B. is                  C. be

小题6:A. on                B. for                 C. in

小题7:A. until               B. when               C. unless

小题8:A. gatekeeper          B. seller               C. waiter

小题9:A. terrible             B. common             C. serious

小题10:A. invent              B. find                C. prefer

可导致血小板减少的疾病有（）。

A.急性粒细胞白血病

B.原发性血小板减少性紫癜

C.再生障碍性贫血

D.真性红细胞增多症

E.过敏性紫癜

厂用系统中常用的电工表计有哪些？

209HS型转向架是心盘承重的转向架。

上市公司新股发行申请文件中，单独适用于增发的文件不包括( )。

A．发行公告
B．主承销商承诺函
C．发行人承诺函
D．盈利预测报告