Worrying andlackof sleep can lead to failure in tests or exams.which is a big problem for many students．题目和参考答案——青夏教育精英家教网—

题目内容

4．Worrying andlackof sleep can lead to failure in tests or exams，which is a big problem for many students．

分析担忧和缺乏睡眠会导致考试失败，这是许多学生所面临的一个大问题．

解答答案：lack of
分析句意可知，本句的主语应是：担忧和缺乏睡眠，故此处考查的是固定短语lack of（缺乏；不足）的用法；故填lack of．

点评做类似的题时，首先应根据句意判断出空缺处的意思；其次从语法分析的角度，确定出应填单词的形式；因此在平时的学习中，除了应牢固记忆单词的拼写之外，还要熟练掌握一些的语法知识．

练习册系列答案

15．If the boy was diagnosed with H7N9，it is ______ that he be separated from others in no time．（　　）

12．His sister left home in 1998，and __________ since．（　　）

	A．	had not heard of		B．	had not been heard of
	C．	has not been heard of		D．	has not head of

19．To Whom It May Concern：
Your address was forwarded to us by How to Magazine．All of us here think The International Institute of Not Doing Much is the best organization in the world．You know how to avoid unnecessary activities!
As a matter of fact，we closely followed the advice in your article．First，we replaced all our telephones with carrier pigeons．Simply removing the jingle of telephones and replacing them with the pleasant sounds of birds has had a remarkable effect on everyone．Besides，birds are cheaper than telephone service．After all，we are a business．We have to think of the bottom line．As a side benefit，the birds also add the nutrients to the grass outside the new employees'sauna（桑拿房）．
Next，we sold the computers off to Stab，Grab，Grit，and Nasty，a firm of lawyers nearby．Our electricity bill went way down．Big savings!The boss is impressed．We have completely hugged paper technology．Now that we all use pencils，doodling （涂鸦） is on the increase，and the quality of pencil Woman Ship is impressive，as you can tell from my handwriting in this letter．By the way，if you can，please send this letter back to us．We can erase and reuse it．Just tie it to Maggie's leg and she'll know where to take it．
Now it's very calm and quiet here．You can notice the difference．No more loud chatter on the telephones!All we hear is the scratching of pencil on paper，the sound of pigeons，and the delivery of inter-office letters by paper airplane．
Wonderful!I've always wanted to work for an insurance company ever since I was a little girl．Now it's perfect．
Sincerely yours，
Eleanor Lightly
Spokeswoman and Company Hair Stylist
ABC Activity Insurance：insure against overdoing it

40．Where is Eleanor's letter sent to？D
A．How To Magazine．
B．ABC Activity Insurance Company．
C．Stab，Grab，Grit，and Nasty Law Firm．
D．The International Institute of Not Doing Much．
41．Which of the following best describes the life the author is leading？B
A．A religious，peasant-like life．
B．A simple，slow-paced life．
C．A life away from paper and pencils．
D．A life of hard work and security．
42．Which of the following is practiced in the author's company？D
A．Replacing the hand work system with modern technology．
B．Turning off lights in the daytime to save electricity．
C．Buying birds and pets as company for the staff．
D．Recycling paper resources whenever possible．
43．What is the purpose of writing this letter？D
A．to show his dissatisfaction with the new environment．
B．to complain about the bad working condition．
C．to persuade people to live a simple life．
D．to express his thanks for the good advice．

9．The book aims to cover all aspects of city life．

16．The Zhoukoudian Beijing Man Site is one of the most important world
Heritage （61）sites（site） in China．Since the discovery （62）was made（make） in the 1920s，Zhoukoudian has become （63）animportant place for archaeologists from all over the world．At the site in the south-west suburb of Beijing，there is the earliest evidence of the use of fire by humans．It has been proved （64）thatpeople lived there continuously between 500，000 and 10，000 years ago．
Today，however，Zhoukoudian is （65）inserious danger．Parts of the cave have been （66）badly（bad） affected by rain and exposure to the air．Some areas are almost completely covered in weeds，（67）causing（cause） serious damage．
Pollution from nearby cement factories has also contributed to the problem．
The site is extremely expensive （68）to maintain（maintain） and （69）itwill cost between three and five million yuan to repair it．At the moment，visitors （70）are（be） not allowed to visit the caves．

13．Animal moms are great moms．You might be surprised at some of these moms．
Octopuses（章鱼）
The mother octopus lays about 50，000 eggs．For about 300 days，she stays with the eggs，cleans them and protects them．She does not leave to feed．However，this animal mom dies as soon as the eggs are hatched（孵化）．
C rocodiles
A crocodile mother puts a lot of time and effort into raising her babies．She starts by building a nest（巢），which she guards for over two months！When the eggs are ready to hatch，the young crocodiles call out to their mother，who digs them out and helps them hatch．She then carries them in her mouth down to the water，where she will guard them for several more weeks or months until they learn to hunt on their own．
Bats
Bats become moms by hanging head up in a cave，giving birth．Catching the youngster before it can fall to the ground below，she puts it in a pouch（育儿袋）．Bat moms may carry babies with them when feeding for the first few days．As the little bats get bigger and heavier，moms help them hang on the wall of their caves and return often to feed them．It continues for about three weeks，until the babies are grownup and able to fly on their own．
Koalas（考拉）
The animal mom gives birth after a pregnancy（怀孕期） of only 35 days．The hairless baby climbs into its mother's pouch and lives there for another five months．When the little koala is between five and eight months old，it leaves the pouch for short periods of time but returns for safety．Once it is too big to return to the pouch，it will climb onto its mother's back and ride there until it is about 12 months old．

25．Which animal moms die when their babies are born？C
A．Bats． B．Crocodiles． C．Octopuses． D．Koalas．
26．A crocodile mother usually carries her baby to the waterA．
A．in her mouth   B．in her pouch       C．on her back      D．by her tail
27．A bat momC．
A．gives birth by lying in the nest
B．leaves its babies in the pouch for months
C．gives birth by hanging in a cave
D．lets its babies live on their own after birth
28．How long does a young koala usually stay with its mom？B
A．35 days． B．12 months． C．8 months． D．5 month．

14．Dear Ms．Wang，
I am writing to inform you of some arrangements about my composition course and Latin course next year．
I've decided to re-establish the 5-paragraph essay as the goal for the composition course．I interviewed some of my former students and they all agreed that being able to write critically and continuously was important to them．
So next academic year，Term 1 will be like always：sentences to paragraphing．And Term 2 will work toward the 5-paragraph essay．The final 3 weeks of Term 2 will be reserved to introduce writing for TOEFL and CEE．By that time，if the students have done their job correctly，then they should be able to write quite well．
As for the Latin course，I will post notices around campus next week so that the students will understand what's on offer before I actually introduce the course．A number of students already emailed me about the course．
I am sure you don't understand what a big deal our opening this program at our school is．People around the world are interested in what we plan to do．There are many rewards available to the students who succeed in the course．Please share what I have sai d with the administration．I want them to understand the importance of this course．The reason I have contacted these colleagues （actually Oxford contacted me） is that I have confidence in our students and in myself．I know that when those professors meet our students and hear them speaking and reading Latin，they are going to be amazed．It will open all sorts of doors for students that they never even thought of knocking on．
Well，that's it for now．I'll see you soon．
Yours，
Edward Johnson21．According to the letter，what will Edward teach about writing in Term 1？C
A．Critical thinking．
B.5-paragraph essay．
C．Sentences to paragraphing．
D．Writing for TOEFL and CEE．
22．We can learn from the letter that Edward's Latin courseA．
A．has aroused students'interest
B．enjoys a nationwide reputation
C．has won a number of awards
D．benefits anyone who takes it
23．Why does Edward write this letter？B
A．To seek assistance from the administration．
B．To inform the school of his course plans．
C．To show his achievements in Latin．
D．To apply for the teaching position．

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