题目内容

Section ADirections: This section is to test your ability to give proper responses. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.

A. You may take a taxi.
B. It’s always there.
C. Maybe on the second floor.
D. The manager hasn’t come back yet.

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维生素B1

A. 具碱性、水溶性
B. 具酸性、水溶性、旋光性
C. 具还原性、脂溶性
D. 水解后具还原性、脂溶性
E. 具醌式结构、脂溶性
F. 下列药物的理化性质分别是

A．条件(1)充分，但条件(2)不充分． B．条件(2)充分，但条件(1)不充分． C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． D．条件(1)充分，条件(2)也充分． E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分． {an}的前n项和Sn与{bn}的前n项和Tn满足S19:T19=3:2． (1) {an}和{bn}是等差数列 (2) a10:b10=3:2

It is not polite to arrive at a dinner party more than 15 to 20 minutes late. The host or hostess usually waits for all the guests to arrive before (36) the meal. If someone is late, the food may be spoiled, and so might the host or the hostess (37) . If you have to be late, call and tell them to (38) you. It’s even (39) to be early! The host or the hostess will probably not be (40) .If you are early, drive or walk around the block a few minutes, or just sit in your car (41) the right time. Though it’s often important to arrive on time, yet (42) , for open houses, the host or the hostess invite guests to arrive and leave (43) a certain time so you can arrive at any time (44) the time he or she gives you.It’s nice to bring an empty stomach, but it’s even nicer to bring a small present. The present should not cost (45) , or you might embarrass the host or hostess. Flowers, wine, or a box of (46) will be fine.Never bring money as a present. In an introduction, the order of a name: the given name, the family name. In other words, the given name comes (47) It’s important not only to learn and remember names, but to (48) them often in conversation. After the (49) , we usually call friends by their given names. (50) may want you call them by their titles and (51) 1) such as "Mr. Jones", "Mrs. Smith", "Ms. Johnson" or "Dr. Brown".A maiden name is a woman’s family name at birth. In the United States and Canada, after a woman marries, she (52) the family name of her husband (53) her maiden name. It is now becoming common, (54) , for women to keep their maiden names (55) they get married. 41().

A. by
B. after
C. before
D. until

A．条件(1)充分，但条件(2)不充分． B．条件(2)充分，但条件(1)不充分． C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． D．条件(1)充分，条件(2)也充分． E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．方程4x2+(a-2)x+a-5=0有两个不等的负实根． (1) a＜6 (2) a＞5