奥鹏作业答案 - 分忧网!奥鹏作业,奥鹏在线作业,奥鹏作业答案及毕业论文分忧

奥鹏作业答案,离线作业,奥鹏作业分忧网

当前位置: 主页 > 离线作业 >

假定某机器原来生产产品A,利润收入为200元,现在改为生

时间:2018-01-12 15:35来源:未知 作者:admin 点击:
7.假定某机器原来生产产品A,利润收入为200元,现在改为生产产品B,所花的人工、材料费为1000元,则生产产品B的机会成本是( ). A. 200元 B. 1200元 C. 1000元 D. 无法确定 正确答案:B满分:3分 8.下述哪一项不是货币政策工具( ). A. 公开市场操作 B. 改变税率

《大学英语3》2013年春学期在线作业(二)
试卷总分:100 测试时间:--
单选题

、单选题(共 20 道试题,共 100 分。)
1.
— Would you like to go to the concert with us this evening?
— _______
A. No, I already have plans.
B. I’d love to, but I’m busy tonight.
C. No, I really don’t like being with you.
D. I’m ill, so I shouldn’t go out.
   满分:5 分
2.
—Could I speak to Don Watkins, please?
—____________
A. I’m listening
B. Oh, how are you?
C. Speaking, please.
D. I’m Don.
   满分:5 分
3. Would you let _______ to the park with my classmate, Mum?
A. me go
B. me going
C. I go
D. I going
   满分:5 分
4.
— Congratulations! You won the first prize in today’s speech contest.
— _______.
A. Yes, I beat the others.
B. No, no I didn’t do it well.
C. Thank you.
D. It’s a pleasure.
   满分:5 分
5.
— Must I take a taxi?
— No, you _______. You can take my car.
A. had better to
B. don’t
C. must not
D. don’t have to
   满分:5 分
6. Therefore, other things _________ equal, the number of workers that employers want decreases.
A. is
B. are
C. being
D. having
   满分:5 分
7. I have been looking forward to _______ from my parents.
A. hear
B. being heard
C. be heard
D. hearing
   满分:5 分
8.
—Thank you for inviting me.
 —____________
A. I really had a happy time.
B. Oh, it’s too late
C. Thank you for coming
D. Oh, so slowly?
   满分:5 分
9.
—May I see your tickets, please?
 —____________
A. No, they are mine.
B. No, you can’t.
C. Sure.
D. Yes, you can.
   满分:5 分
10.
—Could I borrow your car for a few days?
 —____________
A. Yes, you may borrow.
B. Yes, go on.
C. Sure, here you are. Enjoy your journey.
D. It doesn’t matter.
   满分:5 分
11. The atmosphere ______ certain gases mixed together in definite proportions.
A. composes of
B. is made up
C. consists of
D. makes up of
   满分:5 分
12. _______ these honors he received a sum of money.
A. Except
B. But
C. Besides
D. Outside
   满分:5 分
13.
—Could you help me with my physics, please?
—____________
A. No, no way.
B. No, I couldn’t
C. No, I can’t.
D. Sorry I can’t. I have to go to a meeting right now.
   满分:5 分
14. Jane’s dress is similar in design ______ her sister’s.
A. like
B. with
C. to
D. as
   满分:5 分
15. The girl is ______ of a film star.
A. somebody
B. something
C. anybody
D. anyone
   满分:5 分
16.
— We are going to have a singing party tonight. Would you like to join us?
— _______
A. I’m afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea.
C. No, I can’t.
D. That’s all set.
   满分:5 分
17. It’s time we _______ the lecture because everybody has arrived.
A. will start
B. shall start
C. start
D. started
   满分:5 分
18.
— Please help yourself to the seafood.
— _______
A. No, I can’t.
B. Sorry, I can’t help.
C. Well, seafood don’t suit for.
D. Thanks, but I don’t like the seafood.
   满分:5 分
19. His salary as a driver is much higher than ______.
A. a porter
B. is a porter
C. that of a porter
D. as a porter
   满分:5 分
20. Neither John ______ his father was able to wake up early enough to catch the morning train.
A. nor
B. or
C. but
D. and
   满分:5 分

(责任编辑:admin)要这答案加QQ:800020900 或加微信:q800020900 获取
顶一下
(0)
0%
踩一下
(0)
0%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片
栏目列表
推荐内容