北师大版（2019） 选择性必修 第一册 Unit 3 Conservation PartⅥ 单元语法专题 限制性定语从句和非限制性定语从句（含答案）

课时作业(十八)　Unit 3　Part Ⅵ　单元语法专题——限制性定语从句和非限制性定语从句
Ⅰ.根据下面各句的意思在空白处填入1个适当的关系代词或关系副词
1．As the smallest child of his family, Alex is always longing for the time ________ he should be able to be independent.
2．Although modern technology could help produce more crops, these terraces(梯田) still mean a lot to the local people to ________ traditions are of great value.
3．In the morning, two artists, ________ acting skills are wonderful, came to our school as planned.
4．When you start your journey of positive thinking, you shall meet wonderful people, with ________ you can share positive attitudes.
5．One of China's six famous types of tea is white tea, ________ gets its name from its silver－white color.
6．In China, a teahouse is a place ________ people gather to enjoy tea, chat and socialize.
7．Power walking uses both upper and lower body strength, ________ results in stronger muscles and bones.
8．The man ________ I am going to meet at the station is Professor Smith.
9．One reason ________ Billy Crystal is popular with all age groups is that he is quick－thinking and has the ability to amuse the audience.
10．Since parents advise children on so many things, they will probably be the first people ________ advice their children seek.
Ⅱ.高考题体验：根据下列各句句意在空白处填入1个适当的关系代词或关系副词
1．While I have only listed two of each, there are obviously many other situations ________ can arise.
2．I'm Li Hua, an outgoing boy, ________ is studying in London.
3．Now Irene Astbury works from 9 am to 5 pm daily at the pet shop in Macclesfield, ________ she opened with her late husband Les.
4．They were well trained by their masters ________ had great experience with caring for these animals.
5．During the rosy years of elementary school, I enjoyed sharing my dolls and jokes, ________ allowed me to keep my high social status.
6．Further up, the weather changes—low clouds envelope the mountainsides, ________ are covered with thick grass.
7．I have a good command of English and Chinese, ________ is beneficial for introducing Chinese paintings.
8．“It doesn't feel as alone as it may have before all the advances in technology，” said Laurie Demerit, ________ company provided the statistics for the report.
9．They rose in the ranks not by being friendly but by smoking cigarettes, breaking rules and playing jokes on others, among ________ I soon found myself.
10．There was a time ________ people may have felt awkward about asking for a table for one, but those days are over.
Ⅲ.完成句子
1．伟大的人物都能从最少的错误中吸取最多的教益。Great men are those ________________________________________________________________________.
2．作为一名学生，你每天早晨应当做的第一件事就是制订适当的计划。
As a student, the first thing __________________ is to make a proper plan.
3．这就是那位全国知名的科学家。
This is the scientist ________________ all over the country.(whose)
4．只要你坚持下去，你梦想成真的那一刻一定会到来。
So long as you stick to it, the moment ____________________ will definitely come.
5．我永远不会忘记去长城的那一天。
I will never forget the day __________________.
6．那些房屋被大火烧毁的居民得到了政府的帮助。
The residents, ____________________， were given help by the government.
7．仅有两个月就要期末考试了，这使他忧心忡忡。
It is only two months before the final exam, __________________.
8．去乡下散散步，在那里你可以欣赏到美丽的景色。
Go for a walk in the countryside, ____________________________.
9．Sally正带我们参观房子，这所房子的屋顶是红色的。
Sally is showing us around the house，________________________________.
10．众所周知，如果你能从失败中吸取教训，你就能避免重蹈覆辙。
________________， if you can learn from failure, you can avoid repeating the same mistakes.
Ⅳ.单句语法填空
1．As we all know, with the development of science and technology, the earth's resources are running out ________ an alarming rate, so we should make good use of them.
2．Great quantities of sand ________ (be) washed down the hillside by the rain last night.
3．The performance was so good that the applause didn't die ________ until there was an encore(返场加演节目)．
4．In most cases, good communication can help wipe ________ misunderstanding and build a good relationship.
5．As the chart shows, the sales this year decreased ________ 30%.
6．Over the past several years, the South African penguins have been ________ the decrease in numbers.
7．In fact, when you blame someone ________ what you're going through, you refuse responsibility.
8．It's said that such animals like dinosaurs died ________ because they couldn't adapt to the sudden change in climate.
9．People who sit for a long time were ________ great risk of diseases when compared with those who sit less.
10．We depend on wildlife and on the planet's rich biodiversity for our ________ (survive) and well－being.
Ⅴ.课文语法填空
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
In the last 500 million years, there have been five times when life on Earth has almost ended. Of these events, the third mass extinction, which is also known 1.________ the“Great Dying”， 2.________ (kill) 90% to 96% of all species. And the fifth event, 3.________ occurred 66 million years ago, caused the death of dinosaurs. All these events took place due to 4.________ (vary) reasons. It is estimated that the sixth mass extinction is just coming round. And this time it is we human beings that should be 5.________ (blame)．
According to a study by scientists, species are dying out much 6.________ (fast) than normal nowadays due to human activity. If the sixth mass 7.________ (extinct) took place, up to three quarters of all species would die out, including human beings. In order to avoid such disasters from taking place, we should take immediate 8.________ (step) to protect our environment. We can make 9.________ difference by changing our lifestyles in our daily life. Only by 10.________ (work) together can we save our environment in the end.
课时作业(十八)
Ⅰ.
1. when　2. whom　3. whose　4. whom　5. which
6. where　7.which　8. whom/that/who　9. why　10. whose
Ⅱ.
1．which/that　2.who　3.which　4.who/that　5.which
6．which　7.which　8.whose　9.whom　10.when
Ⅲ.
1．who can profit the most from the fewest mistakes
2．that you should do every morning
3．whose name is known
4．when your dream comes true
5．when I went to the Great Wall
6．whose houses had burned down
7．which makes him worried
8．where you can enjoy beautiful views
9．of which the roof is red/whose roof is red/the roof of which is red
10．As is known to all
Ⅳ.
1．at　2.were　3.down　4.out　5.by　6.on　7.for　8.out　9.at　10.survival
Ⅴ.
1．答案与解析：as　考查固定搭配。be known as是一个固定的搭配，意为“作为……而著名”。
2．答案与解析：killed　考查动词的时态。分析句子结构可知，空处为主句的谓语；根据语境可知，第三次大灭绝发生于过去，故应用一般过去时。
3．答案与解析：which　考查定语从句。分析句子结构可知，“3.________ occurred 66 million years ago”为非限制性定语从句，修饰先行词the fifth event(指物)，故填which。
4．答案与解析：varied/various　考查形容词。空处修饰名词reasons，故用形容词形式。varied和various都是vary的形容词形式，表示“各种各样的”。
5．答案与解析：to blame　考查非谓语动词。be to blame意为“应受责备，负有责任”。
6．答案与解析：faster　考查形容词的比较级。根据空后的than可知，空处应填fast的比较级。
7．答案与解析：extinction　考查名词。分析句子结构可知，“the sixth mass 7.________ (extinct)”在从句中作主语，故空处应填名词形式，mass extinction意为“大灭绝”。
8．答案与解析：steps　考查名词的数。take steps to do sth.表示“采取措施做某事”。
9．答案与解析：a　考查冠词。make a difference意为“起作用，有影响”。
10．答案与解析：working　考查非谓语动词。空处在句中作介词by的宾语，故填v－ing形式。