焦裕禄，这个永不褪色的名字，如一座丰碑，矗立在兰考，矗立在中国大地，矗立在亿万百

2011年7月1日，胡 * * * * 在庆祝中 * * 党成立90周年大会上的讲话中强调，我们建立健全权力运行制约和监督体系，保证党和国家机关按照法定权限和程序行使权力。这句话强调的是[ ]

A．党的领导、依法治国、人民民主的一致性

B．我国宪法和法律是一切党政及其他国家机关活动的基本准则

C．国家一切机关都要坚持依法行政，在法律范围内行使其权力

D．国家机关及其工作人员都要在宪法和法律范围内行使职权

Directions: Read the passage and answer the questions or complete the statements in the fewest possible words.

D

If you are invited to an American friend’s home for dinner, keep in mind these general rules for polite behavior. First of all, arrive approximately on time ( but not early). Americans expect promptness. It is OK to be 10 or 15 minutes late, but not 45 minutes late. Dinner might be overcooked and ruined by then. When you are invited to someone’s home for a meal, it is polite to “bring a small gift”. Flowers or candy are always appropriate. If you have an attractive item made in your native country, your host and/ or hostess would certainly enjoy receiving that as a gift.

Some Americans don’t know about the dietary restrictions of various ethnic and religious. Don’t make a fuss about it. If your host doesn’t say anything about what you are eating, then you shouldn’t, either. Simply eat what you can and hope that no one notices what you left. If you are questioned, you may have to admit that you don’t eat meat (or whatever), but you can also say that you have enjoyed the other foods and have had “more than enough” to eat. Don’t make the cook feel obliged to prepare something else for you. Be sure to compliment the cook on the food that you enjoyed.

Don’t leave immediately after dinner, but don’t overstay your welcome, either. When your friends seem to be getting tired and running out of conversation, take their behavior as a cue to leave. The next day, call or write a thank-you note to say how much you enjoyed the evening.

If you invite someone to join you for dinner in a restaurant, phone the restaurant first to find out if you need a reservation in order to avoid a long wait for a table. To make a reservation, just give your name, the number of people in your group, and the time you plan to arrive. When you invite someone to dinner, you should be prepared to pay the bill and reach for it when it arrives. However, if your companion insists on paying his or her share, don’t get into an argument about it. Some people prefer to pay their own way so that they don’t feel indebted, and those feelings should be respected. In most American restaurants, the waiter or waitress’ tip is not added to the bill. If the service was adequate, it is customary to leave a tip equal to about 15% of bill. In expensive restaurants, leave a bit more.

(Note: Answer the questions or complete the statements in NO MORE THAN 13 WORDS.)

80. When invited to an American family for dinner, the first rule of polite behavior to keep in mind is to __________________________________.

81. The author uses the expression of “host and/or hostess” to avoid the impression of  

_______________________________________.

82. When served a food that you don’t like in an American family, what is the proper thing for you to do?

___________________________________________________.

83. What is the proper amount of tip in an expensive American restaurant ?

________________________________________________.

受均布荷载作用的简支梁，如要改变截面，应在距支座约（）处改变截面较为经济。

对于胃、十二指肠溃疡病，下列哪项叙述不正确（）

A.十二指肠溃疡的起病与精神神经因素有关

B.胃溃疡好发年龄平均比十二指肠溃疡大

C.药物（阿司匹林，皮质激素）所引起的多为十二指肠溃疡

D.十二指肠溃疡一般不会恶变成癌

E.胃溃疡用抗酸剂止痛的效果不好

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