题目

下列句子中，标点符号使用恰当的一项是（   ）A．“好，”他对我说：“现在你把左脚踏到那块岩石上。不要担心下一步。听我的话。”B．仰之弥高，越高，攀得越起劲，钻之弥坚，越坚，钻得越锲而不舍。C．为了变换食物的花样，我还给蝈蝈吃很甜的水果：几片梨子，几颗葡萄，几块西瓜。D．曲阜的“三孔”、少昊陵、邹城的峄山、泗水的泉林都是济宁境内著名的旅游景点。Are you carrying too much on your back at school? I’m sure lots of children of your age will say “Yes”. Not only the students in China have this problem, but children in the United States also have heavy school bags.Doctors are starting to worry about young students’ back and neck because their school bags are too heavy for them.“It’s hard for me to go upstairs with my heavy bag,” said Rick Hammond, an ll-year-old student in the USA.Rick is among students who have school bags with two straps(带子),and many other students choose rolling(有滚轮的) bags.But even with rolling bags ,getting upstairs is still a problem for children .Doctors say students should carry no more than 10% to 15% of their own body weight (重量)。Scott Bautch, a back doctor, said children under Grade 4 should carry no more than 10% of their weight and older children shouldn’t stay with over 15% , because their bodies are still growing.Teachers and parents should do some things to help children. And the best answer is to have less homework!小题1:From the passage we cam know that        .A．only children in China carry too heavy school bags.B．children in other countries don’t carry too heavy bags.C．both children in China and the USA carry too heavy school bags.D．only children in the USA carry too heavy school bags.小题2:Children feel it hard for them to go upstairs because          .A．they are too young.B．their school bags are too heavy.C．they are too heavy.D．their parents don’t always go upstairs with them.小题3:If a child carries a heavy school bag,        . A．his back and neck may be hurt.B．his head and arms may be hurt .C．his hands may be hurt .D．his feet may be hurt .小题4:According to the doctor, Scott Bautch, if a child in Grade 5 weighs about 30 kilos, the school bag he carries should not be over          .A．5 kilosB．3 kilosC．5.5 kilosD．4.5 kilos小题5:Some students think the best answer to this problem is that          .A．they should have a little homework to do after they get homeB．their teachers had getter not ask them to do any homeworkC．they should only take home the books they will read that night.D．They should use thin books instead of thick ones.