已知a:b=c:d,试证:ab+cd是a2+c2和b2+d2的比例中项.

题型:问答题

问题:

已知a:b=c:d,试证:ab+cd是a2+c2和b2+d2的比例中项.

考点:在职联考会计硕士(MPAcc)综合知识会计硕士专业学位联考数学
题型:问答题

下列药材除哪个外均为种子入药()

A.菟丝子

B.马钱子

C.葶苈子

D.牵牛子

E.覆盆子

题型:问答题

在两种基本测试方法中,______测试的原则之一是保证所测模块中每一个独立路径至少要执行一次。

题型:问答题

完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)出可以填入空白的最佳选项,并在答题卡上将该项涂黑。

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 __21__ the meal. If someone is late, the food may be spoiled, and so might the host or hostess’s __22__. If you have to be late, call and tell them to __23__ you.

It’s even __24__to be early! The host or hostess will probably not be__25__. If you are early, drive or walk around the block a few times, or just sit in your car __26__the right time.

Though it is often important to arrive on time, yet__27__, for open houses, the host or hostess invites guests to arrive and leave __28__a certain time. You can arrive at any time __29__the time he or she gives you.

It’s polite to bring an empty stomach, but it’s even nicer to bring a small present. The present should not cost__30__, or you might embarrass the host or hostess. Flowers, wine, or a box of candy will __31__. Never bring money as a present.

In an introduction, the order of a name: (1) the given name, (2) the family name. In other words the given name comes __32__. It’s important not only to learn and remember names, but to__33__them often in conversation. After the __34__we usually call friends by their given names. __35__may want you to call them by their titles and__36__, such as “Mr. Jones” “Mrs. Johnson” or “Dr. Brown”.

A maiden name is a woman’s family name __37__. In the United States and Canada, after a woman marries, she __38__the family name of her husband__39__her maiden name. It is now becoming __40__, however, for women to keep their maiden names after getting married.

21. A. making                              B. serving                            C. doing                               D. cooling

22. A. soul                                    B. spirits                              C. thought                           D. idea

23. A. have with                    B. have without                 C. start with                 D. start without

24. A. nice                              B. nicer                       C. worse                        D. bad

25. A. back                            B. in                             C. up                               D. ready

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

27. A. in the other hand  B. on the other hand        C. in another hand   D. on another hand

28. A. between                     B. among                   C. for                                    D. at

29. A. within                                B. by                                     C. on                                     D. in

30. A. many                                  B. a little                              C. a lot                                 D. a few

31. A. be well                               B. be right                           C. do well                            D. do fine

32. A. after                                   B. before                             C. first                                  D. later

33. A. recall                                  B. respect                           C. speak                             D. retell

34. A. meeting                            B. conversation              C. introduction                   D. dinner

35. A. Older people                   B. Young people                 C. Gentlemen                   D. Doctors

36. A. given names                    B. first names                   C. family names                 D. nick names

37. A. on birth                    B. from birth            C. with birth                 D. at birth

38. A. gives                                  B. brings                        C. carries                   D. takes

39. A. instead                              B. in place of                       C. takes place                   D. in place

40. A. important                         B. necessary                       C. special                   D. common

题型:问答题

布鲁纳认为掌握学科基本结构的教学原则有( )。

A.动机原则

B.结构原则

C.程序原则

D.强化原则

题型:问答题

肉眼血尿的患者,首先应该检查()

A.肾脏B超

B.尿找癌细胞

C.肾活检

D.尿RBC相差显微镜检查

E.静脉肾盂造影

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