问题 选择题

有关受精作用的叙述,正确的是 [ ]

A.指卵细胞和精子相互识别、融合成为受精卵的过程

B.受精卵核内的染色体主要来自卵细胞

C.受精作用可使生物前后代体细胞中染色体数目增加一倍

D.卵细胞和精子结合的随机性是后代呈现多样性的唯一原因

答案

答案:A

阅读理解

阅读理解。

     Listening test is one of the important parts of the English exam. Here are some tips for you.

     Before you start to listen, you need to relax. Don't be nervous. And try to read the questions. These

questions usually help you understand the dialogue or the passage.

     Then listen carefully to the first sentence. It usually tells you the main idea of the passage. When you're

listening, try to do some thinking and take some notes (笔记), such as:

     ·What happened?

     ·When, where, and how?

     ·What does the speaker want to tell us?

     In this way, you may understand the passage better.

     Please remember not to think about one or two words for a long time. When you hear some words

you don't know, don't spend too much time on them. Very often, you'll find out what they mean later

when you go on with the listening.

根据短文内容,选择最佳答案。

1. This passage mainly talks about _____.

A. tips on listening         

B. tips on speaking    

C. tips on reading          

D. tips on writing

2. It's better for you to keep _____ when you start to have a listening test. 

A. excited            

B. relaxed     

C. nervous            

D. worried

3. We should listen to the first sentence carefully, because it usually tells us _____. 

A. the answers to the questions      

B. where to write the answers

C. the main idea of the passage    

D. how much time left (剩余) for the listening test.

4. When you're listening, it's important for you to _____.

A. remember every word              

B. take some notes    

C. understand all the words  

D. think about one words for a long time

5. The _____ usually help(s) us understand the passage better.  

A. questions    

B. first sentence  

C. notes  

D. A, B and C

阅读理解

In the US, the most popular way to welcome the new year is with a big party. Some parties are at private homes. But in recent years, it has become more and more common for Americans to go to a hotel or eating-place on the night of December 31st. There, they can eat a big dinner, drink champagne, and dance to orchestra music.

Most New Year’s parties are usually noisy. People shout and sing. And often, guests blow on small noisemakers when the new year arrives at midnight. This tradition of noise making is believed to start centuries ago. People thought that loud sounds would drive away the bad spirits of the old year.

The biggest, noisiest New Year’s party in the US takes place in Times Square in New York. Thousands of people gather(聚集) there. Some of them ring bells and set fireworks. Others blow whistles of car horns(喇叭). And at twelve o’clock, they begin to cheer as an electric sign in the shape of a red apple lights up on top of a tall building.

The Times Square celebration includes another well-known American tradition. Since 1929, the band of musician Guy Lombardo has given a concert on New Year’s Eve. Guy Lombardo died in 1977. But, Bill Lombardo, has kept the tradition alive with a band concert at a New York city hotel. When the crowds in Times Square start cheering the arrival of the new year, television cameras show the band playing the song Auld Lang Syne.

小题1: The most usual way to welcome the new year in the US is ________.

A.to go shopping

B.to meet friends

C.to travel abroad

D.to hold a big party小题2: The biggest New Year’s party in the US is __________.

A.in Central Park

B.in Hollywood

C.in Times Square

D.in Disneyland小题3: In the past, some American people made big noise when the new year arrived ________

A.to express their friendship

B.to drive away the bad spirits

C.to make others more excited

D.to give best wishes to each other小题4:In 1929 a concert on New Year’s Eve was given by _________.

A.the band of Guy Lombardo

B.the band of Bill Lombardo

C.the band of Johann Strauss

D.the band of Elvis Aaron Presley