All the students in Class 5 will climb the mountain if it ________ rain tomorrow．

A．won’t

B．don’t

C．didn’t

D．doesn’t

阅读理解

　　Being safe at school and in your everyday life needs knowledge．If you remember the following information．your life will be much safer．

　　●Always notice the environment around you．You shouldn’t walk alone outside．　　1　　 If anything dangerous happens．you can find them quickly．

　　●Don’t use earphones(耳机)when running in the schoolyard or on the street．　　2　　

　　●School bags should be carried towards the front of your body instead of pulling them on your back．　　3　　

　　●If you are followed by a stranger(陌生人), cross the street and go in the other direction(方向)．let the stranger know that you know he or she is there．Next, go and get help from others if it is necessary．　　4　　 You a re safer on the street than you are in your home or in a lift．

　　●If you have 10 take a bus to a place far away, try to get to the bus stop a few minutes before the buses leave．　　5　　 On buses, don’t sit alone, sit behind the driver or with friends．Don’t sleep．

根据短文内容．从A～E选项中选出短文所需要的句子。