[填空题]After some analysis and comparison work, scientists became sure that Skhul shells could be over ______.

[单项选择]

If you feel tired after hard work, a good place for a rest is Dalian. Unlike most people travelling to Dalian by train or air, this time you can have a new way to get there: driving your own car.
Day 1
Start your trip at about 2:45 pm in Beijing. It takes three hours and fifteen minutes to drive to Tanggu Port.
The ships between Tanggu Port and Dalian Port have drawn more and more visitors, and they are so large that cars can park in them.
Day 2
The ship arrives at Dalian Port at about 8 am. If the weather is nice, you can enjoy the sunrise( 日出). After checking in at the hotel, you can spend the rest of the day visiting some interesting places.
Day 3
The last day will give you a break at the indoor swimming pool(室内游泳池) in the hotel. Seawater comes into the pool every day. So even on cold days, your dream (梦想) of swimming in seawater can come true. Going back to Beijing, visi
A. sports
B. travel
C. driving

[简答题]part 2& 3 Describe a project or some work that you did with others. 　　You should say: 　　what the project or work was. 　　who was with you 　　how easy or difficult it was and explain why you did this with other people. 　　1. Do you think it’s very important for people to co-operate with others (or, with each other) 　　2. Is co-operation very important in your culture (your country) 　　3. Can you give any examples of how people in your culture co-operation with others 　　4. What do you think are the benefits of co-operation 　　5. What are some differences between working (or, doing something) alone and working (or, doing something) in a group

[单项选择]It was only after some progress ______ in the use and development of electric current that men began to realize the importance and possibilities of magnetism.

[单项选择]

After a day’ s hard work, we need some sleep. During the sleep, the fatigue(疲劳) of the body disappears and recuperation(恢复) begins. The tired mind gathers new energy, and the memory improves.
Some adults require little sleep; others need eight to ten hours in every twenty-four hours. Infants (婴儿) sleep sixteen to eighteen hours daily, the amount gradually diminishing as they grow older. Young students may need twelve hours ; university students may need ten. A worker with a physically demanding job may also need ten, whereas an executive working under great pressure may manage on six to eight. Many famous people have little sleep. Napoleon Bonaparte, Thomas Edison and Charles Darwin apparently averaged only four to six hours a night.
Whatever your individual need, you can be sure that by the age of thirty you will have slept for a total of more than twelve years. By that age you will also have developed a sleep routine: a favorite hour, a favorite bed, a fav
A. never fall asleep
B. not sleep well
C. lose his memory
D. begin to daydream