【正文】 D. It will last four or five hours.( ) will Jenny do first?A. Buy food for the party. Tom. an Email to Lisa. D. Drive to Lisa’s house. ( B )If you go into the forest with friends, stay with them .If you don’t , you may get lost（迷路）, this is what you should do .Sit down and stay where you are .Don’t try to find your friends –let them find you instead .You can help them find you by staying in one place. There is another way to help your friends or other people to find you .You can shout or whistle (吹口哨)three times .Stop .Then shout or whistle three times again .Any signal (信號) given three times is a call for help . Keep up shouting or whistling . Always three times together. When people hear you ,they will know that you are not just making a noise for fun . They will let you know that they have heard your signal . They will give you two shouts or two whistles. When a signal is given twice ,it is an answer to a call for help. If you don’t think that you will get help before night es ,try to make a little house with branches (樹枝) Make yourself a bed with leaves(樹葉) and grass. When you need some water ,you have to leave your little branch house to look for it .Don’t just walk away .Pick off small branches and drop (扔下)them as you walk in order to (為了) go back again easily .When you are lost , the most important thing to do is to stay in one place .( ) you get lost in the forest , you should __________.A. try to find your friends B. stay in one place and signals C. walk around the forest D. shout as loudly as possible ( ) signal is a call for help ?A. shouting here and there B. crying twice C. shouting or whistling three times together D. whistling everywhere in the forest ( ) you hear two shouts or two whistles ,you know that __________.A. someone is afraid of an animal B. people will e to help you C. someone needs help D. something terrible will happen.( ) ’s the meaning of the underlined sentence?(劃線句子)A. Leave branches to find your way back B. Pick off branches to build another houseC. Use branches to make a bed D. Drop branches to look for water ( ) main(主要的)idea of the passage is _________A. how to travel in the forest B. how to spend the night in the forest C. what you should do if you want to get some water D what you should do if you are lost in the forest( C ) Most people want to work, but it has bee more difficult in today’s world to find work for everybody. The economics(經(jīng)濟) of the world need to grow by 4% each year just to keep the old number of jobs for people. Often this is not possible, and so more people are out of work. Some people have no jobs now because new machines(機器) can do the work of many people in a short time. Also,machines do not ask for more money and longer holiday. In all of the countries of the world, machines are taking work from people, not only factories but also on the farms. One machine can often do the work of forty people. About 75,000 people are moving to the cities a day to look for jobs, but only 70% of them can find jobs.( ) was _____for people to find work before than today. possible B. difficult C. more difficult ( ) the economics of the world grow by 4% each year,_______.A. people will have no jobs B. people can still have jobs as before.C. 4% of the people will have jobs D. 97% of th