－－Wow. That's a marvelous room. I've never known you're so artistic!－－ ____

某数据库有一个Name字段，查找Name不是Mary的记录的准则可以设定为（）。

A.Not"Mary"

B.Not"Mary*"

C.Not"*Mary"

D.Not"*Marv*"

How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}

Smith: I would like to buy a computer for my son. I was told it is cheaper to buy computers here. Do you have any recommendations？

Jane: Yes. We have plenty of choices for you. So, home computer or a laptop, which one does he like？ {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}

Smith: He prefers ASUS(华硕), laptop, which is much more convenient.

Jane: I see. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} ASUS F83E335Cr-SL. It is really suitable for students.

Smith: Let me see. Well, it’s good but I don’t think 320 GB is enough.

Jane: If you wish to upgrade the hard drive, we can definitely do so. It costs 150 to upgrade it from 320GB to 500GB.

Smith: Great. My son likes keeping a lot of movies and pictures on the hard drive.

Jane: No problem. I’ll give you a more detailed brochure later.

Smith: Thank you. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} May I have a discount？

Jane: In total it costs 3900 yuan. If you pay for it on Saturday or Sunday this week, you can actually get 5 percent off the usual sale price.

Smith: Wow. That’s really good. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}

室性奔马律的组成是

A、S与S、S

B、病理S与S、S

C、S与S、S

D、病理S与S、S

E、S与S、S

试求图示系统的传递函数C(s)/R(s)、C(s)/N(s)、E(s)/R(s)、E(s)/N(s)

A.1610−−s

B.1610−s

A.S=‘ ’

B.S=‘’

C.S=‘φ’

D.S=‘θ’

A.4C’s→4P’s→4R’s

B.4P’s→4R’s→4C’s

C.4R’s→4C’s→4P’s

D.4P’s→4C’s→4R’s