根据下列句子及所给单词的首字母，在答题卷上按题号写出各单词的-优题课

The ______ of new inventions should be to make life easier, not to make it harder.

A．rules

B．subjects

C．secrets

D．purposes

根据短文内容及首字母提示，填写所缺单词。
How can we students keep ourselves safe? Here are some tips.
On your way home or to school: Wait for the green traffic light, and look left and r before you cross the road. If you see a car coming, don’t cross until it is really safe. Dress in bright colors, so the d can see you clearly.
At school: When students around you begin to push, try to hold onto something, or stay in a safer corner. If you fall d in a crowded place, cover your head with b hands.
When there’s a fire: Stay c and leave quickly. Use a piece of wet cloth to cover your mouth and n so that you don’t take in smoke . If your clothes catch fire, please drop to the ground and roll from side to side to put out the fire.
For eating: Wash f like apples or grapes carefully before you eat them. Check the expiration dates（保质期）and if your food looks or smells t , don’t eat it.
For riding on the escalator（自动扶梯）: Hold onto the handrails（扶手）. It is d to run up and down on them. You may fall down b escalator steps（台阶）are not fit for running.
Remember these tips as they may help you when you have difficulties.

根据句子意思，用括号中所给单词的适当形式填空。
Many people (sleep) when the earthquake started.
(find) his way out, he tried to move through the dark.
We should take (act) to protect wild animals right away.
If we do nothing, soon there won’t be any pandas (leave).
My home is next to the cinema and you can find it (easy).

根据括号中所给的汉语写出单词,使句子意思完整正确。
As a student, you should learn to (面对) all kinds of problems.
I will listen to a (报告) on English learning tomorrow afternoon.
All of us know bad weather sometimes causes (自然的)disasters.
The Chinese (政府) has made many laws to protect the wild animals.
He went to bed very late last night, so he feels (困倦的) in class this morning.

语法填空（本题有10小题，每小题1分，共计10分）
阅读下面短文，在空白处填人一个适当的词，或填人括号中所给单词的正确形式
（每空不多于3个单词）．
Plenty of people dream of going to Mars（火星）．different from those people, 13-year-old Alyssa Carson has been working happy) for that dream since the age of 4，according to a new report which (make) by the BBC not long ago.
Alytsa tells the BBC,“I hop(go) to Mars because it is a place that no one has been to before. I want to take that first step.” According to the BBC, she (attend) USA's three world space camps so far.
Her father, Bert Carson, tells the BBC that Alyssa plans to be on the first long journey to Mars which is expected to take place in year of 2033.“We are proud her,”he says.“We have the next eighteen(year) planned out.”One of those plans is Alyssa attending the International Space University.
Of course，Alyssa's dream could come with (big) sacrifices（牺牲）than others.If Alyssa goes to mars，maybe is very difficult for her to return to Earth. Still，her father says，"If that's the only choice she has，she still wants to go.”Alyssa agrees.