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A.甲图中a是胰岛素,肝细胞上的受体与a结合后,可引起糖元的合成速率加快 |
B.乙图中的b是细胞表面受体,其化学本质是糖蛋白 |
C.丙图中的抗体是由游离于细胞质基质中的核糖体合成,内质网运输,高尔基体再加工后经外排方式分泌的,它的产生与释放都不需要能量 |
D.发生丙图中生理过程的e细胞至少接受过两次过敏原的刺激,它释放的d物质为组织胺 |
⑴请根据图甲将图乙所示的实物电路连接完整(导线不允许交叉)。
⑵实验中将5Ω电阻换成10Ω电阻后,应将滑动变阻器的滑片P向______端移动(左/ 右),移动滑片的目的是___________________。正确操作后,记下电流表的示数,得到电流I随电阻R变化的图象如图乙所示,由图象可得出的结论是:_________________________。
⑶为完成整个实验,应该选取最大阻值不小于 Ω的滑动变阻器。
⑷实验过程中,如果出现了电流表示数为0,电压表示数接近6V,电路发生的故障可能是_____________________。 查看习题详情和答案>>
I.听力测试(25分)
1.根据你在录音里听到的句子,从下面每小题的A、B、C三个选项中选择最佳答句.(每小题念一遍)(共10小题,每小题1分)
1.A.You’d better have a rest.
B.That’s right.
C.That’s nice.
2.A.Yes, it is.
B.Sorry to hear that.
C.Thank you.
3.A.I’m Tom.
B.Tim’s speaking.
C.Who are you?
4.A.With pleasure.
B.Yes, I think so.
C.No, I’m very free.
5.A.Yes, I’d like to.
B.How about you?
C.Let’s go.
6.A.Thank you.
B.Yes, please.
C.Not at all.
7.A.Congratulations!
B.Glad to meet you.
C.See you later.
8.A.Sorry, I don’t know.
B.No, I don’t think so.
C.That’s a good idea.
9.A.I’m afraid I can’t.
B.That’s very kind of you.
C.Here you are.
10.A.It’s Thursday.
B.It’s 11.
C.It’s April 17th.
Ⅱ.下面各组对话后均有一个与对话内容有关的问题,从下面每小题的A、B、C三个选项中找出能回答这个问题的最佳答案.(每小题念两遍)(共5小题,每小题1分)
11.How many years have Candy’s parents been in Shenzhen?
A.Five years.
B.Seven years.
C.Three years.
12.What is Peter’s brother?
A.A teacher.
B.A student.
C.A doctor.
13.Who was late for the train?
A.Mary.
B.Tom.
C.Ken.
14.Where does the woman want to go?
A.A hospital.
B.A bus stop.
C.A green building.
15.What color does the man want?
A.Brown.
B.Black.
C.White.
Ⅲ.听短文,从下面每小题的A、B、C三个选项中选择最佳答案.(每小题念两遍)(共5小题,每小题1分)
16.Peter went to the doctor’s because ________.
A.he was ill
B.his wife was ill
C.his son was ill
17.Peter went to the square to ________.
A.see the children playing
B.help the girl
C.kill the time
18.The girl cried because ________.
A.her parents hit her
B.she felt sad
C.she didn’t know the way home
19.Peter met the doctor at ________.
A.half past three
B.half past two
C.three
20.From the story, we know Peter is a ________.
A.kind person
B.busy person
C.quiet person
ⅳ.听录音,作笔记.听一段对话,根据其内容和表格的要求,在横线上填写有关picnic的信息.(念两遍)(共5小题,每小题1分)
I.听力测试(听力内容略)
i.根据你在录音里听到的句子,从下面每小题的A、B、C三个选项中选择最佳答句.(每小题念一遍)(共10小题,每小题1分)
1.A.It’s fine.
B.It’s Saturday.
C.It’s cold.
2.A.Good idea.
B.Not at all.
C.No problem.
3.A.Wait a moment.
B.Thank goodness.
C.Yes, please.
4.A.I hope not.
B.Yes, it is.
C.Yes, I hope so.
5.A.How are you, Mr Smith?
B.Nice to meet you, Mr Smith.
C.Nice meeting you, Mr Smith.
6.A.So am I.
B.I don’t think so.
C.I like football very much.
7.A.Yes, you do.
B.No, of course not.
C.No, you can’t open it.
8.A.Are you all right, dear?
B.Are you wrong, dear?
C.What’s wrong, dear?
9.A.It’s wonderful.
B.I don’t know.
C.I’m not sure.
10.A.Thanks a lot.
B.Oh, I’m very glad.
C.Sorry to hear that.
ii. 下面各组对话后均有一个与对话内容有关的问题,从下面每小题的A、B、C三个选项中找出能回答这个问题的最佳答案.(每小题念两遍)(共5小题,每小题1分)
11.A.At four twenty.
B.At half past four.
C.At ten to four.
12.A.Yellow.
B.Blue.
C.White.
13.A.The fruit shop.
B.The book shop.
C.The post office.
14.A.Thirty yuan.
B.Sixty yuan.
C.Thirty-two yuan.
15.A.Peter.
B.Mary.
C.Jack.
iii.听短文,从下面每小题的A、B、C三个选项中选择最佳答案.(短文念两遍)(共5小题,每小题1分)
16.When did he go to the big island?
A.On Sunday morning.
B.On Saturday morning.
C.One evening.
17.Who did the old building belong to?
A.Us.
B.Him.
C.The rich man.
18.What did he do on the smaller island?
A.He met a rich man and walked into the hill.
B.He found an old building and stayed the night in it.
C.He watched the birds and took many photos there.
19.Why couldn’t he get back from the smaller island?
A.Because the tide came in.
B.Because it was too late that night.
C.Because it was too cold on the island.
20.How did he come back to the big island again?
A.He walked back.
B.He took a boat back.
C.The rich man sent him back.
iv.听录音,作笔记.听一段对话,根据其内容和表格的要求,在横线上填写有关Anne的信息.(念两遍,共5小题,每小题1分)
阅读下文并回答问题。
This is a schoolbag. What’s in the backpack? __A__ They are an eraser, a pencil case, a notebook ... Is this Emma’s eraser? __B__ Is that Ben’s pencil case? __C__ No, it is Jack’s pencil case. Look! These are two dictionaries. And those are five books. What’s in the pencil-box? Three pens. Oh, what is this? It’s my notebook.
短文中漏掉了一句:Yes, it is. 应该放在A,B,C中的哪一处?
答:应该放在________处。
【小题2】Is a notebook in the schoolbag?
【小题3】What is in the pencil-box?
查看习题详情和答案>>