单项选择题
听力原文：W: Professor, a few of us at the hack didn't get your copy of reading assignment.
M: Well, there're only 38 names on my clam list. And I didn't bring any spare copies.
Q: What do we learn from the conversation?
(19)
A．Some students at the back cannot hear the professor.
B．The professor has changed his reading assignment.
C．Some of the students are not on the professor's list.
D．The professor has brought extra copies of his assignment.
- A.
M:
B.
Q:
C.Some
D.
B．The
E.
C．Some
F.
D．The
G.
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单项选择题
听力原文：M: There's a letter here for you, Mum.W: Thanks, John. Oh, no, not another telephone bill. I hope it is not as much as last time.M: How much is it?W: $130.94 for three months. How can it be so much? Tour father and I hardly make any calls. You must have been using the phone all the time.M: Only to speak to my friends.W: John, I don't think you realize just how much it costs when you telephone your school friends, and you speak to them for so long, especially during the day. Why can't you call them after 6 pm when it is cheaper. Your father is going to be upset when he finds out.M: I'm sorry.W: Well, being sorry just isn't good enough. I've told you often enough not to use the telephone so much. If you had to pay the hill, you wouldn't be so irresponsible with the telephone. You see your friends every day. Why do you need to phone them up as well?M: But I do have something important to phone them sometimes.W: OK, if you still take so long speaking to them, you'll have to pay half of this bill out of your wages from your Saturday job.M: But Mum, that's not fair.W: Then, I may have to get one of those phone locks and I'll keep the key, then you won't be able to make any calls.(20)A．Jane.B．The father.C．The letter.D．Phone bill.
A.
W:
B.
M:
C.94
D.
M:
E.
W:
F.
M:
G.
W:
H.
W:
I.
M:
J.
W:
K.
(20)
A．Jane.
B．The
L.
C．The
M.
D．Phone
N. -
多项选择题
社会工作者所应具有的伦理标准包括（）。
A．以利他主义为指导
B．案主利益至上
C．以人为本,具有奉献、乐善、平等、博爱的人道主义精神
D．要有高度的专业责任感,努力维护和增进专业的价值、信誉和尊严
E．要有社会责任感,以推进社会公平、社会进步为己任 -
单项选择题
高效缓冲存储器，简称Cache。与内存相比，它的特点是(6)。在CPU与主存之间设置Cache的目的是为了(7)。
A.容量小、速度快、单位成本低
B．容量大、速度慢、单位成本低
C．容量小、速度快、单位成本高
D．容量大、速度快、单位成本高
