2017--2018学年人教版必修四Unit 5 Theme parks learning about language课时作业 (1)
2017--2018学年人教版必修四Unit 5 Theme parks learning about language课时作业 (1)第2页

答案与解析

  【文章大意】 阿根廷国家农业综合科技研究所的科学家们日前宣布,他们已成功培育出一头能够产类似人奶的奶牛。

1. 答案 C

解析 主旨大意题。根据文章第一段Scientists in Argentina have created the world's first cow with two human genes that will enable it to produce human­like milk可知,阿根廷的科学家们已成功培育出一头能够产类似人奶的奶牛。故选C项。

2. 答案 B

解析 词义猜测题。根据第四段的第二、三句可知,阿根廷的研究组称中国研究组仅放入了一个人类基因,而他们的研究包含了两个,这意味着产出的牛奶将和人奶更相似。故选B项。

3. 答案 A

解析 推理判断题。根据最后一段Cristina Kirchner的话"made all Argentines proud"可推知,她对这个研究感到非常满意。故选A项。

Ⅱ.阅读填空

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。

Change

Change is hard. You've probably noticed that. We all want to become better people - stronger and healthier, more creative and more skilled, a better friend or family member. But even if we get really inspired and start doing things better, it's tough to actually stick to new behaviors. __1__ Why is that? And is there anything you can do to make change easier?

__2__ Recently, she told me a story that happened when she was in high school. She went to a large high school, and it was the first day of class. Many of the students had never met before that day. The teacher went around the room and asked each person to introduce themselves. __3__

My girlfriend raised her hand and went around the room and accurately named all 30 people or so. __4__ The guy next to her looked over and said, "I couldn't even remember your name."

She said that moment was a nice experience for her. After that she felt like, "I'm the type of person who is good at remembering people's names." __5__

Here's what I learned from that story: In order to believe in a new identity, we have to prove it to ourselves.

A. The rest of the room was in shock.

B. You need to start believing new things about yourself.

C. My girlfriend is great at remembering people's names.

D. At the end, the teacher asked if anyone could remember everyone's name.

E. Even today, she's great at remembering the names of anyone we come across.