24.I’ve promised to keep it secret so I can’t really tell you anything what you know already.
A.for B.about C.of D.beyond
23.The Roma people originally lived in northwestern India in is now southeastern
Parkistan.
A.which B.what C.that D.where
22.—Excuse me, can you spare me a few minutes?
— ?
A.What’s on B.What is it C.What’s up D.What’s more
第一節(jié) 單項填空(共15小題;每小題1分,滿分15分)
從A、B、C、D四個選項中,選出可以填人空白處的最佳選項,并在答題卡上將該項涂黑。
第一節(jié) 選擇題
21.I was going to pay a visit to Smiths when Mr Green called me up, who I didn’t know at all.
A.the , the B.the , a C.a , the D.a, a
第二節(jié)(共15小題;第小題1.5分,滿分22.5分)請聽下面5段對話或獨白,選出最佳選項。請聽第6段材料,回答第6至8題。
6.What does the woman show the man?
A.Pictures. B.Postcards. C.Stamps.
7.Where did the woman get the things she shows the man?
A.At the Summer Palace. B.At the Forbidden City.
C.A t the Great Wall.
8.What did the woman do in China?
A.She learned a lot of Chinese. B.She made some great Chinese friends.
C.She learned how to cook C hinese food.
請聽第7段材料,回答第9至11題。
9.When does the conversation probably take place?
A.Before the play. B.During the play. C.After the play.
10.Which of the following is TRUE about the play?
A. The heroine’s name is Ann Merriweather.
B.It’s a comedy about three sisters.
C.One teacher falls in love with her colleague.
11.What can we learn from the conversation?
A.Neither the man nor the woman has seen the play before.
B.The man bought the woman one ticket for the play.
C.The woman is not familiar with the plot of the play.
請聽第8段材料,回答第12至14題。
12.What did the woman use to be?
A.A film star. B.A singer. C.A tennis player.
13.How does the woman feel about New York?
A.New York hasn’t had any changes at all.
B.Changes have taken place round the center.
C.The countryside has some differences from the downtown area.
14.Why does the woman come to New York?
A.To star in a TV program.
B.To attend or watch the tennis games.
C.To spend a vacation.
請聽第9段材料,回答第15至17題。
15.What can we know about the shirt the woman first recommends?
A.It’s a white shirt.
B.Its size is thirty-one.
C.It costs 5.59 dollars.
16.What did the man buy in the shop yesterday?
A.A handkerchief B.A tie C.A pair of socks
17.What is the man’s total bill?
A.3.95 dollars. B.4.50 dollars C.4.60 dollars.
請聽第10段材料,回答第18至20題。
18.What did the speaker’s friends think of his change of interest?
A.Understandable B.Strange. C.Crazy.
19.Why did the speaker change his interest to underwater exploration?
A.It is much cheaper than space travel.
B.It is much safer than space travel.
C.It is more exciting than space travel.
20.In what way does the speaker think the ocean is similar to space?
A.They are both easy to explore.
B.They are both beautiful.
C.They are both awful.
該部分分為第一、第二兩節(jié)。注意:回答聽力部分時,請先將答案標在 試卷上。聽力部分結束前,你將有兩分鐘的時間把你的答案轉涂到客觀題答題卡上。
第一節(jié)(共5小題;第小題1.5分,滿分7.5分)
請聽下面5段對話,選出最佳選項。
1.When will the film end?
A.At 8:30. B.At 9:00. C.At 9:30.
2.What does the woman mean?
A.She made the dress herself. B.Her mother bought the dress for her.
C.Her mother made the dress for her.
3.Where is the woman from?
A.America B.Australia C.Canada
4.Where does the conversation take place?
A.At a post office B.At a shop. C.At a hotel.
5.How much is the jacket?
A.600 US dollars. B.100 Hong Kong dollars. C.600 Hong Kong dollars.
31. (12分)取甲、乙、丙、丁四支潔凈的試管,按照下表中順序依次加入有關物質并進行有關處理,回答下列問題:
|
試管編號 |
甲 |
乙 |
丙 |
丁 |
|
淀粉溶液3mL |
+ |
+ |
+ |
|
|
新鮮的小麥淀粉酶濾液2mL |
+ |
- |
+ |
|
|
35℃的水浴5分鐘 |
+ |
+ |
+ |
+ |
|
碘液1滴 |
+ |
+ |
- |
|
|
斐林試劑2mL |
- |
- |
+ |
|
|
沸水浴加熱5分鐘 |
- |
- |
+ |
+ |
(注:“+ ”表示加入物質或相關處理,“- ”表示不加物質或不做處理)
(1) 用甲、乙試管做驗證酶具有催化作用的實驗,則乙試管中還應加入 ,乙試管內的實驗現象是 。
(2) 用丙、丁試管做驗證酶具有專一性的實驗,則丁試管內應先后加入 (從下面的①-⑧中選擇序號填空)。
①碘液1滴 ②斐林試劑2mL ③雙縮脲試劑2mL ④二苯胺試劑2mL
⑤淀粉溶液3mL ⑥蔗糖溶液3mL ⑦小麥淀粉酶濾液2mL ⑧清水2mL
該實驗的實驗變量是 。
該實驗的原理是:① !
② 。
30. (30分)
Ⅰ.(18分)某實驗室做了下圖所示的實驗研究,已知小鼠體細胞的染色體數目為40條。分析回答下列問題:
![]()
(1)與纖維母細胞相比,過程①形成的誘導干細胞的全能性 。
(2)過程②是 過程,其根本原因是 。
(3)要獲得Y細胞,將H1N1病毒外殼蛋白質注射到小鼠體內,實質是在小鼠體內引發(fā)
過程,Y細胞一般是從小鼠 中采集的。
(4)過程③除了采用誘導植物細胞原生質體融合的方法外,還可以用 誘導。
(5)產生單抗Z細胞叫 ,它從培養(yǎng)液中吸收氨基酸的方式和分泌單抗到細胞外的方式 (相同/不同)。
(6)培養(yǎng)中的Z細胞最多含有 條染色體。
Ⅱ.(12分)細胞周期包括分裂間期(分期G1、S期和G2期)和分裂期(M期)。下圖標注了甲動物(體細胞染色體數為12條)腸上皮細胞的細胞周期各階段的時長及DNA含量。請回答下列問題:
![]()
(1)若用含放射性同位素的胸苷(DNA復制的原料之一)短期培養(yǎng)甲動物腸上皮細胞后,處于S期的細胞都會被標記。洗脫含放射性同位素的胸苷,換用無放射性的新鮮培養(yǎng)液培養(yǎng),定期檢測。預計最快約 h后會檢測到被標記的M期細胞。
(2)從被標記的M期細胞開始出現到其所占M期細胞總數的比例達到最大值時,所經歷的時間為 期的時間(填圖中字母),處于該期的一個細胞中染色體數目的變化情況是 。
(3)若向甲動物腸上皮細胞培養(yǎng)液中加人過量胸苷,處于S期的細胞立刻被抑制,而處于其他時期的細胞不受影響。預計加人過量胸苷約 h后,細胞都將停留在S期。
(4)乙動物腸上皮細胞的細胞周期時長為24h,M期時長為l.9h。若要在顯徽鏡下觀察細胞有絲分裂過程中染色體形態(tài)的變化,選用 (填“甲”或“乙”)動物腸上皮細胞更合適。
(5)在光學顯徽鏡下觀察,同處于分裂末期的動物腸上皮細胞與洋蔥根尖細胞,形態(tài)上最主要的區(qū)別是 。
5.圓褐固氮菌所固定的氮素參與氮循環(huán)的全過程,下列表述正確的是 ( )
A.N2→NH3→NO3-→生物體有機氮→NH3→NO3-→N2
B.N2→NH3→生物體有機氮→NH3→NO3-→N2
C.N2→NH3→生物體有機氮→NO3-→N2
D.N2→NH3→NO3-→生物體有機氮→NH3→N2
第Ⅱ卷(非選擇題 共174分)
4.下列關于甘蔗、玉米葉片結構及光合作用過程的敘述,正確的是 ( )
① 圍繞著維管束的葉肉細胞排列疏松
② 因為葉肉細胞的葉綠體有正常的基粒,所以,水的光解發(fā)生在葉肉細胞
③ NADPH儲存了能量,并具有還原性
④ CO2中的C首先轉移到C4中,然后才轉移到C3中
⑤ 光能轉化為電能時,電子的最終受體是ATP和NADP+
A.①③⑤ B.①①③④ C.②④⑤ D.②③④
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