问题
选择题
把20克糖溶在200克含糖量为20%的糖水中，糖与糖水的比是（ ）
A．1：10
B．2：11
C．3：11
D．3：8
答案
200×20%=40（克），
（20+40）：（20+200）
=60：220
=3：11，
答：糖与糖水的比是3：11．
故选：C．
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把20克糖溶在200克含糖量为20%的糖水中，糖与糖水的比是（ ）
A．1：10
B．2：11
C．3：11
D．3：8
200×20%=40（克），
（20+40）：（20+200）
=60：220
=3：11，
答：糖与糖水的比是3：11．
故选：C．
词语填空(共10小题,计10分) 用方框中所给单词的适当形式填空,使短文通顺、正确、连贯(每个单词限用一次).
Nearly everything in his cottage has ___小题3:___from the sea - chairs, tables, even tins of food. What's the most ___小题4:__thing he has ever found? “A barrel of beer just before Christmas. That was nice”, he remembers. He finds lots of bottles with messages in_小题5:__, mainly from children. They all get a reply if there's an address in the bottle. “Shoes? If you find one, you'll find the other the next week”, he says. But does he really make a ___小题6:___? “Half a living,” he___小题7:___. “I barter (物物交换)with a lot of things I find, and I have my police pension(退休金). But I don't actually need money. My life is ___小题8:___ in variety. ” Terry seems to be a very happy man. “You have to find a way to live a simple, honest life. People spend all their lives ___小题9:____ things they don't really need. There's so much waste.” “Some people say I'm mad,” says Terry, “But there are a lot___小题10:____ who'd like to do what I do. Look at me. I've got everything that I could possibly want.” |