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Section A

Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.

25. Tom and Jane used to walk _____ the bank after dinner when they were at university.

  A. along            B. in               C. from             D. across 

试题详情

Section A  Short Conversations

Directions:  In Section A, you will hear ten short conversations between two speakers. At the end of each conversation, a question will be asked about what was said. The conversations and the questions will be spoken only once. After you hear a conversation and the question about it, read the four possible answers on your paper, and decide which one is the best answer to the question you have heard.

1. A. At home.          B. At a restaurant.         C. At a meeting.      D. At a grocery.

2. A. Patient and doctor.                    B. Customer and salesman.

   C. Student and teacher.                       D. Hostess and servant.

3. A. By car.               B. By bus.           C. By train.           D. On foot.

4. A. A driver.           B. A car seller.        C. A reporter.            D. A police officer.

5. A. They’d better not go riding.              B. It’s no fun riding in the rain.

   C. They can go riding half an hour later.       D. Riding a bike is a great idea.

6. A. It’s difficult.                          B. It’s easy.    

C. It’s too short.                        D. It takes her only one hour.

7. A. Take a day off from work.                   B. Go and join the people in the office.

   C. Find more people to help with the move.      D. Move to a new place at free time.

8. A. Informative.        B. Difficult.           C. Too long.             D. Dull.

9. A. The woman believes that the man can give up smoking.

   B. The man finds it easy to give up smoking.

   C. The man has not given up smoking.

   D. The man has convinced the woman that he can give up smoking.

10. A. The lab is generally locked on Saturday morning.   

B. The man didn’t have the key to the lab.

   C. Nothing unusual happened in the lab on Saturday morning.

   D. The lab should never have been locked.

Section B  Passages

Directions: In section B, you will hear two short passages, and you will be asked three questions on each of the passages. The passages will be read twice, but the questions will be spoken only once. When you hear a question, read the four possible answers on your paper and decide which one would be the best answer to the question you have heard.

Questions 11 through 13 are based on the following passage.

11. A. Gas.              B. Solar energy.       C. Alcohol.           D. Electricity.

12. A. Air traffic conditions.                      B. Traffic jams on highways.

  C. Road conditions.                         D. New traffic rules.

13. A. Go through a health check.                  B. Carry little luggage.

  C. Arrive early for boarding.                   D. Have security checks.

Questions 14 through 16 are based on the following passage.

14. A. Woman Missing After Tornado Hits Town.

  B. Injured Woman and Missing Cat ___ Result of Tornado.

  C. Frightening Storm Causes Damage.

  D. Woman Offering Reward for Her Missing Cat.

15. A. Milk and tea make tasty drink.               B. Milk adds much protein to tea.

  C. Good news for British.                  D. Milk destroys health benefits of tea.

16. A. Because Jordan supports America in the war on terrorism.

  B. Because Jordan is not far from America.

  C. Because Jordan was against the Iraqi War.

  D. Because Jordan likes to make friends with other countries.

Section C  Longer Conversations

Directions: In Section C, you will hear two longer conversations. The conversations will be read twice. After you hear each conversation, you are required to fill in the numbered blanks with the information you have heard. Write your answers on your answer sheet.

Blanks 17 through 20 are based on the following conversation.

Book a plane ticket
Name:   Tom Ward
Destination:   Madrid
Airlines:     China  17   Airlines
Flight:   N0.  18   
Class:    19   class
Departure time:   9:00 a.m.
Date:     20  6th
Airport:     Shanghai Pudong International Airport

Complete the form. Write ONE WORD for each answer.

Blanks 21 through 24 are based on the following conversation.

Why doesn’t Jason go to the party?
Because he has to finish a  21   paper.
When will Jason hand in the paper?
  22   .
Why doesn’t Jason lend his car to Linda?
Because Linda has no  23   .
How will Linda come back from the party?
  24   

Complete the form. Write NO MORE THAN THREE WORDS for each answer.

试题详情

54、(10分)某校生物兴趣小组的同学对某小学一年级的全体学生进行遗传调查,结果汇总如下表,请根据表中数据分析并回答下列问题

(注:甲性状显性基因为A,隐性基因为a;乙性状显性基因为B,隐性基因为b,)

 
表现型
96届
97届
98届
99届








甲性状
有耳垂
302
300
411
322
338
248
312
223
无耳垂
110
98
126
111
108
80
102
75
乙性状
正常
404
398
524
432
436
328
402
298
患者
8
0
13
1
6
0
12
0

(1)从上述表格中可总结出的遗传现象有

①_____________________       ②_____________________

(2)在遗传调查中发现,某男生表现为无耳垂且是乙性状患者,其父母表现为有耳垂且乙性状正常,该男孩的基因型是________________________,其母亲的基因型是________________________。

(3)调查中还发现一男生患有色盲,其同胞姐姐患有白化病,其家族系谱图如下:

进一步的调查统计发现大约在200个表现型正常的人群中有一个白化基因杂合子。现有一个表现型正常,其双亲也正常,但其弟弟是白化病患者的女人,与一个无亲缘关系的男人婚配,他们所生孩子患白化病的概率为___________。

浙江嘉兴一中09-10学年高二下学期4月月考

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53、(10分)20世纪50年代,我国育种学家受达尔文进化思想的启发,广泛开展了人工动、植物育种研究。通过人工创造变异选育优良的新品种。这-过程被人们形象地称为“人工进化”。

(1)某农民在水稻田中偶然发现一矮秆植株,将这株水稻连续种植几代,仍保持矮秆,这种变异主要发生在细胞分裂的______期(写明分裂类型及时期)。

(2)我国科学家通过航天搭载种子或块茎进行蔬菜作物的育种,用空间辐射等因素创造变异。这种变异类型可能属于__________。与诱变育种方法相比,转基因技术最大的特点是__________。

(3)假设该植物具有3对同源染色体,用杂种子一代花药离体培养获得单倍体,则单倍体细胞中的染色体完全来自于亲本中父本的概率为__________。

(4)“人工进化”和自然界生物进化-样,它们的实质都是__________ 。

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52、(10分)右图为小麦的五种不同育种方法示意图。

(1)图中A→B→C的途径表示____育种方式,

A→D所示的育种途径的原理是______。

(2)通过E方法出现优良性状往往是不容易的,其原因主要是_______ 。

(3)C、F方法用的是同一种药剂其作用原理是_______________。

(4)由G→J过程中涉及到的生物工程技术有__________。

试题详情

51、(10分)下图为蛋白质合成的一个过程,据图分析并回答问题:

氨基酸
丙氨酸
苏氨酸
精氨酸
色氨酸
密码子
GCA
ACU
CGU
UGG
GCG
ACC
CGC
 
GCC
ACA
CGA
 
GCU
ACG
CGG
 

(1)图中所示属于蛋白质合成过程中的_____步骤,该过程的模板是________。

(2)由图中信息可推知DNA模板链上对应的碱基序列为_______________。

(3)根据图并参考右表分析:[1] 上携带的氨基酸是______,这个氨基酸与前面的氨基酸是通过_______________(反应)连接在一起的。

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50、用噬菌体去感染体内含有大量3H的细菌,待细菌解体后3H  (   )

  A.随细菌的解体而消失     B.发现于噬菌体的外壳及DNA中

C.仅发现于噬菌体的DNA中   D.仅发现于噬菌体的外壳中

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49、下图甲、乙表示水稻两个品种,A、a和B、b表示分别位于两对同源染色体上两对等位基因,①-⑦表示培育水稻新品种的过程,则下列说法错误的是  (   )

A.①→②过程简便,但培育周期长

B.①和⑦的变异都发生于有丝分裂间期

C.③过程常用的方法是花药离体培养

D.③→⑥过程与⑦过程的育种原理相同

试题详情

48、引起生物可遗传变异的原因有三种,即基因重组、基因突变和染色体畸变。以下几种生物性状的产生,来源于同一变异类型的是   (   )

    ①果蝇的残翅     ②豌豆的黄色皱粒   ③八倍体小黑麦的出现 

    ④人类的色盲    ⑤玉米的高茎皱缩叶  ⑥人类镰刀型贫血症

    A.①②③      B.④⑤⑥      C.①④⑥      D.②③⑤

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47、假定某高等生物体细胞的染色体数是10条,其中染色体中的DNA用3H一胸腺嘧啶标记,将该体细胞放入不含有同位素的培养液中连续培养了2代,则在形成第2代细胞的有丝分裂后期,没有被标记的染色体数为(   )

A.5条     B.40条     C.20条     D.10条

试题详情


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