第二節(jié) 聽取信息(共5小題;每小題1分,滿分5分)
聽下面一段獨(dú)白,請根據(jù)題目要求,從所聽到的內(nèi)容中獲取必要的信息,填人答題卡標(biāo)號為16-20的空格中。聽錄音前,你將有10秒鐘的閱題時間,錄音讀兩遍。你將有60秒鐘的作答時間。
When |
Who |
What
to do |
Early in 16 |
Mankind |
Found a way to make pictures 17 . |
In 1884 |
George Eastman |
Invented a kind of film that 18 into a small camera. |
Today |
19 |
Aids scientists by taking
pictures through microscopes and telescopes |
Deep-sea Divers |
Take pictures of 20 and animals |
第一節(jié) 聽力理解 (5段共15小題;每小題2分,滿分30分)
每段播放兩遍。各段后有幾個小題,各段播放前每小題有5秒鐘的閱題時間。請根據(jù)各段播放內(nèi)容及其相關(guān)小題,在5秒鐘內(nèi)從題中所給的A、B、C項中,選出最佳選項,并在答題卡上將該項涂黑。
聽第一段對話,回答第1-3題。
1. How did Billy feel about his math test?
A. It was hard. B. It was easy. C. It was too long.
2. When will they have supper?
A. At about 5 o’clock. B. At about 6 o’clock. C. At about 6:30.
3. What can we learn from the conversation?
A. Billy likes snowboarding very much.
B. Billy will go to the church with George.
C. Billy is so careless that he often hurts himself.
聽第二段對話,回答第4-6題。
4. Why does the man want this part-time job?
A. He has to pay for his apartment. B. He has done the work before.
C. He has much free time.
5. What job will the man get?
A. A clerk in the mailroom. B. A dishwasher at the restaurant.
C. A lifeguard for summer vacation.
6. How much can he earn every day?
A. $20. B. $40. C. $80.
聽第三段獨(dú)白,回答第7-9題。
7. What is the main purpose of the speech?
A. To tell the students how to collect rubbish.
B. To compare different recycling programs.
C. To encourage the students to join in a recycling program.
8. What do we know about the program?
A. The searching is the most difficult part in the program.
B. The program has been given up on the campus.
C. The program is more than a volunteering task.
9. According to the speaker, why are many recycling programs NOT successful?
A. Because most recycling rules are not clear.
B. Because most people are unwilling to sort rubbish.
C. Because most collecting tasks are too difficult.
聽第四段對話,回答第10-12題
10. What does the woman want to do?
A. She wants a short tour in London.
B. She wants to go to the Hyde Park Hotel.
C. She wants to ask the way to the British Museum.
l1. How much will the woman pay for her tour?
A. £9.5. B. £5.3. C. £15.
12. When can the woman visit London Tower?
A. In the afternoon.
B. Right after lunch.
C. In the morning.
聽第五段對話,回答第13-15題。
13. What is the probable relationship between the two speakers?
A. House agent and customer.
B. Waiter and customer.
C. Husband and wife.
14. What does the man like about the house?
A. Public transportation.
B. The swimming pool.
C. The shopping centre.
15. What do we learn from the conversation?
A. There is a gym just upstairs.
B. The apartment has two bedrooms.
C. The apartment has a great ocean view.
25.(6分)
標(biāo)準(zhǔn)狀況下1.68L無色可燃?xì)怏w在足量氧氣中完全燃燒,若將產(chǎn)物通入足量澄清石灰水,得到的白色沉淀質(zhì)量為15.0g;若用足量堿石灰吸收燃燒產(chǎn)物,增重9.3g。若原氣體是兩種等物質(zhì)的量的氣體混合物,其中只有一種是烴,請寫出它們的分子式(只要求寫出兩組)。
24.(18分)
有機(jī)物A、B、C,分子式均為C5H8O2,有關(guān)的轉(zhuǎn)化關(guān)系如下圖所示。A的碳鏈無支鏈,且1mol A能與4 mol銀氨溶液完全反應(yīng)。請給出A、B、C、D、E、F、G、H、I的結(jié)構(gòu)簡式。
已知:
23.(10分)
已知從A出發(fā)可發(fā)生下圖所示的一系列反應(yīng),其中G為高分子化合物,化合物B的分子式為C8H8O,當(dāng)以鐵做催化劑進(jìn)行氯化時,一元取代物只有兩種!
填空:
(1)結(jié)構(gòu)簡式:A 、M ;
(2)反應(yīng)類型:I 、IV ;
(3)寫出下列反應(yīng)的化學(xué)方程式:
BC: ;C+DH: 。
(4)與C互為同分異構(gòu)體且均屬于酯類的芳香族的化合物共有 種。
22.(12分)
氮可以形成多種離子,如等,已知N2H5+與N2H62+是由中性分子結(jié)合質(zhì)子形成的,類似于NH4+,因此有類似于NH4+的性質(zhì)。
(1)寫出N2H62+與堿溶液反應(yīng)的離子方程式 。
(2)的電子式為 .
(3)有 個電子。
(4)寫出等電子體物質(zhì)的化學(xué)式 。(一種)
(5)等電子數(shù)的微粒往往具有相似的結(jié)構(gòu),試預(yù)測的構(gòu)型 。
(6)據(jù)報道,美國科學(xué)家卡爾·克里斯特于1998年11月合成了一種名為“N5”的物質(zhì),由于其具有極強(qiáng)的爆炸性,又稱為“鹽粒炸彈”。迄今為止,人們對它的結(jié)構(gòu)尚不清楚,只知道“N5”實際上是帶正電荷的分子碎片,其結(jié)構(gòu)是對稱的,5個N排成V形。如果5個N結(jié)合后都達(dá)到8電子結(jié)構(gòu),且含有2個NN鍵。則“N5”分子碎片所帶電荷是 .
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