1.选择题- (共15题)
3.关于染色体和DNA分子关系的正确叙述是( )
①DNA分子数目加倍时，染色体数目也加倍
②染色体数目减半时，DNA分子数目也减半
③染色体数目加倍时，DNA分子数目也加倍
④染色体复制时，DNA分子也复制
①DNA分子数目加倍时，染色体数目也加倍
②染色体数目减半时，DNA分子数目也减半
③染色体数目加倍时，DNA分子数目也加倍
④染色体复制时，DNA分子也复制
5.
下列有关生物实验活动的操作步骤与其相应的目的，不正确的是（ ）
实验活动 | 操作步骤 | 操作目的 | |
A | 练习使用显微镜 | 转动转换器 | 调换不同倍数的物镜 |
B | 验证绿叶在光下制造淀粉 | 把叶片放入酒精中，水浴加热 | 使叶片脱色 |
C | 制作人口腔上皮细胞临时装片 | 用清水漱口 | 清除口腔中食物碎屑 |
D | 制作洋葱表皮细胞临时装片 | 洁净的载玻片上滴加生理盐水 | 防止装片产生气泡 |
12.
背景材料：老师和全班同学一致推荐小娜同学代表班级参加全校书画大赛。可小娜十分不愿意，说：“我的水平很差，肯定输得很惨，我丢不起这个人。”事后，她私下拜托书画院的叔叔替她画了一幅国画交给了学校，赢得全校一等奖。同学们祝贺她，她说：“我只代表我本人！”
运用所学知识对小娜同学的言行进行简要评析。
2.单项选择- (共25题)
16.
______is estimated that a round-trip to Mars would take more than a year.
A．That B. what C. There D. It
A．That B. what C. There D. It
17.
Sam_____some knowledge of the computer just by watching others working on it.
A,brought up B,looked C,picked up D.set up
A,brought up B,looked C,picked up D.set up
18.
When______where he was born,John said he was a New Yorker.
A,asking B,being asked C,asked D,was asked
A,asking B,being asked C,asked D,was asked
19.
It was _______the old clock that the old man spent the whole morning at home.
A,repairing B,to repair C,repaired D,repair
A,repairing B,to repair C,repaired D,repair
20.
___ in simple English,the article is easy ______.
A,Writing,to read B,Written,to be read C,writing,to be read D,written,to read
A,Writing,to read B,Written,to be read C,writing,to be read D,written,to read
21.
You can’t borrow books from the school library ______ you get your student card.
| A．before | B．if |
| C．while | D．as |
22.
Hardly ______asleep when someone knocked at the door.
A,she had fallen B,she fell C,had she fallen D,did she fall
A,she had fallen B,she fell C,had she fallen D,did she fall
23.
____I see her,I will find some changes in her.
A,As soon as B,Every time C,The moment D,The first time
A,As soon as B,Every time C,The moment D,The first time
24.
______ you eat the correct foods ______ be able to keep fit and stay healthy.
| A．Only if; will you | B．Only if; you will |
| C．Unless; will you | D．Unless; you will |
25.
I really do not know _______I had my money stolen.
A,where was it that B,that it was where C,where it was that D,it was where that
A,where was it that B,that it was where C,where it was that D,it was where that
26.
At that time,it seemed _____I could not think of the right word anyhow.
A,even if B,in case C,as if D,in order
A,even if B,in case C,as if D,in order
27.
_____is today Britain used to be three different countries, and over many years the three countries became one.
A．It B. What C. Where D. As
A．It B. What C. Where D. As
28.
______leaves the room last ought to turn off the lights.
A．The person B. whoever C. Who D. Anyone
A．The person B. whoever C. Who D. Anyone
29.
The reason why he was removed was ______he was careless and dishonest.
A,when Bbecause C,that D,what
A,when Bbecause C,that D,what
31.
____he was not satisfied with his power.
A, King as he was B, King as was he C,A king as he was D,A king as was he
A, King as he was B, King as was he C,A king as he was D,A king as was he
33.
______the price of a shirt is low or not depends on the amount of material and labour involed in making it.
A．That B. What C. If D. whether
A．That B. What C. If D. whether
34.
----Never forget to give Miss Black the message that her mobile phone has been found in the office.
-------I will not.I will tell her _____I see her.
A,before B,till C,early D,immediately
-------I will not.I will tell her _____I see her.
A,before B,till C,early D,immediately
35.
_____he entered the room,he picked up the phone and told the news to his parents.
A,At the moment B,Hardly C,The moment D,No soon
A,At the moment B,Hardly C,The moment D,No soon
36.
_____she become an artist may have been due to her father’s influence.
A．What B. How C. That D. When
A．What B. How C. That D. When
37.
_____the beginning of the 19th century did scientists know that all matter is made up of atoms.
A,At B,By C,Up to D,Not until
A,At B,By C,Up to D,Not until
38.
All my family had breakfast at half past six,_______my neighbourhood.
A,so has B,nor did C,so had D,nor had
A,so has B,nor did C,so had D,nor had
39.
---I would never trust him again . He let me down.
----- _____________.
A,Neither would I B,So would I C,Nor was I D,So did I
----- _____________.
A,Neither would I B,So would I C,Nor was I D,So did I
试卷分析
-
【1】题量占比
选择题:(15道)
单项选择:(25道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：5
5星难题：0
6星难题：19
7星难题：0
8星难题：1
9星难题：0