（E）
Answer the questions，according to the passage given．
There are all kinds of trains in the world．There are trains to carry people，trains to carry animals and trains to carry things．There are fast trains and slow trains．Some trains go under the ground（地面）and some trains go through hills．
In big cities the streets are usually very busy．So you can find trains under the ground and trains on a rail（铁轨）above the streets．They carry people in and out of the city．
Can a train run over water？Yes，it can．There are many bridges over the river．The trains can easily run over the water．But it is not easy to build bridges．
Today's trains have dining-rooms for people．You may eat something on the way if you are hungry．
Trains are useful to men and women and children．Many children have model trains．With the model trains they can build their own rails and enjoy the wonderful world of trains．
41．What do trains carry？
______________________________________________
42．Why do people build railways under the ground？
______________________________________________
43．How do trains run over the water？
______________________________________________
44．What do trains have dinning-rooms for？
______________________________________________
45．What do children build their own rails for？
______________________________________________
（F）
Answer the questions，according to the Instructions given．
|
Instructions
Take the pills with water．One pill every eight hours，or take two pills at bedtime and in the morning．Don't take more than six pills in 24 hours．For children between 6 and 12 years old，give half the adult dosage（成人剂量）．For children under six years old，ask your doctor． Take less dosage if you cannot sleep well． |
46．What does the word“pill”mean？
______________________________________________
47．How many pills does a man of twenty usually take in two days？
______________________________________________
48．Can a doctor aGREe an eight-year-old boy to take six pills in three days？Why？
______________________________________________
49．What will a man do if his child of four has to take the pills？
______________________________________________
50．How many pills should an old man take a day if he sleeps badly at night？
______________________________________________
参考答案：
41．They carry people，animals and things．
42．Because the streets in cities are too busy．
43．They can run on the bridges over the water．
44．People can have meals in trains．
45．They can play their own model trains．
46．It means a kind of medicine．
47．He usually takes eight pills in two days．
48．Yes．Because the adult dosage is twelve pills in three days and an eight-year-old boy can take half of the dosage．
49．He'll have to ask for a doctor's help．
50．He should take less than four pills a day．
