P2 . PART1
Advantages : It is very convenient . You can make a call whenever and wherever you want to.
It is especially helpful in an emergency .
It saves time .You don't have to search for or await the turn for the public phone.
You can always be reached when you are needed by others. In an information age ,it can help you to get the information you want in the quickest way.
It may help you to grasp any chance to succeed. You can play games and surf the net through the phone. .......
Disadvantages : It is quite expensive
Its radiation is harmful to health
Answering calls in public places such as on a bus is embarrassing
Making or answering calls while driving is dangerous You can always be reached by your parents or your boss It may ring at the moment when you least want it to You may receive calls from strangers or advertising companies and have to pay for them . .........
P3. PART2
have become increasingly violent
is more and more important for young people is the kindest neighbour I have ever known has a profound effect on our health
P4. 2.too specific
British English is different from American English in spelling 3.This is not a sentence, but a fragment Different countries have different customs 4.too general,too emotional
The local food is tasteless and greasy
P7. Approach 1: For one thing,they should balance science and non-science courses so that they do not have too many time-consuming labs.
Approach 2:They should also try to get a mixture between subjects they find fairly easy and those that are difficult for them.
Example 1: For instance,the student who dose well in history but expects to have a terrible time with calculus might plan on taking both in the same semester to balance the work load.
Example 2: The student who dose not plan carefully and takes five
tough courses the first term may wind up on scholastic probation.
P11. 4 . Paragraph 1:All invention are either basic inventions or improvement on earlier inventions.
Paragraph 2:There was a serious accident in the chemistry lab yesterday.
Paragraph 3: Nutritional deficiency is a major problem of the elderly.
5. Paragraph 1 : Topic sentence: 第一句 无关句： Many people .....to each other. 和 And nowadays,....more convenience. Paragraph 2: T S : 第一句 无关句： I didn't ...last night 和 I heard that .... own children.
6. 排序： 574169832
7. （1）First of all . (2) secondly (3)By and by (4) In addition (5)In short
P18 Paragraph B : Jack should not have taken the gymnastics course. he fell off the uneven bars and got a concussion. he sprained his ankle,after a bad landing off the balance beam.
he broken the support beam in the basement of his parent's home,showing them his skills.
he broke his thumb when he caught it on the bar the pommel horse.
he fails the final exam in his gymnastics course. he failed to graduate due to the lack of two hours of physical education credit
P19 T S: Some historians mark the course of the American Revolutionary War in three major periods.
1. During the first phase of the conflict ,New English was the battleground,
1)The Minutemen and the Redcoats fired the opening shots of the war at Lexington at dawn of April 19,1775
2) Shortly afterwards ,the New England colonists laid siege to Boston .the location of the British headquarters.
2.In the second phase of the war ,which began after the signing of the Declaration ,both the British and the American made important military gains.
1)The British soldiers captured New York in the fall of 1776,and a year later they occupied Philadelphia.
2)Meanwhile the Americans were able to seize New Jersey and Saratoga.
3.The fighting moved to the west and south during the last phase. 1) In 1778 and 1779 several battles occurred in Kentucky and Tennessee.
2)Then two years later ,the final battle of the war was fought at Yorktown ,Virginia.
P22 . 4: 排序：4 10 5 12 3 7 15 9 14 2 11 8 13 6 1
T S： My family spent two fun-filled days at Disney World last year.
P23. 5.(1)Then (2) morning (3)afternoon (4)Then (5)After that (6)when (7)already (8)after
P33. 3. 排序： 3614752 Relationship : Primarily, the organization of the paragraph represents movement in geographical space.
P34 5. (1)into (2) crosses (3) In the center of (4) Outside (5)inside (6) On the front (7)over (8)down (9)lined with (10) At the rear