题目内容
12．
not，alone．Don't swim in the river alone．
分析 不要在河里独自游泳．
解答 正确答案：Don't swim in the river alone．根据图片及所给单词可知不要在河里独自游泳，句型为祈使句的否定式．"在河里游泳"是swim in the river，alone作副词，表示独自，放在句末修饰swim．
点评 本题考查完成句子，基础题，根据图片及所给单词确定句型、相关短语即可写出句子．只要所写句子符合图片表达含义，语法正确都可．
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Julio loves to visit his grandmother．He doesn't get to visit her very often because his family lives in a city that is six hours away．His grandmother lives in a big wooden house on a farm．It is old and looks as if it has secret hiding places．
20．The graph below tells how many pounds of garbage （垃圾） a person makes on each day in six cities．Look at the graph then read the passages．
Pounds of Garbage Made a Person a Day
Mark recycles his metal cans．He takes them to a recycling center so that they can be used again．He doesn't throw any out．He recycles his paper products．He puts his yard waste in a pile （堆） and puts it on his garden later．Here's a list of what he put in a trash（废物） today．
（Note：16oz．=1pound．）
metal cans 3oz．
food waste 7oz．
yard waste 0oz
paper products 2oz．
glass bottles，jars，etc.4oz．
Tony throws out a lot of things．Today he threw out the following things．
bottles 14oz．
cans 8oz．
1newspaper，some letters，a magazine 30oz．
extra food 12oz．
yard waste 16oz．
48．Which city makes the biggest amount of garbage？D
A．New York．
B．Tokyo．
C．Chicago．
D．Los Angeles．
49．How many pounds of garbage did Tony throw out？A
A.5.0．
B.1.0．
C.3.0．
D.4.0．
50．Where may Mark live according to the amount of garbage he makes？B
A．In Los Angles．
B．In Kano，Nigeria．
C．In Chicago．
D．In New York．
Pounds of Garbage Made a Person a Day
| Los Angeles 6.4 |
| Philadelphia 5.8 |
| Chicago 5.0 |
| New York 4.0 |
| Tokyo 3.0 |
| Kano，Nigeria 1.0 |
（Note：16oz．=1pound．）
metal cans 3oz．
food waste 7oz．
yard waste 0oz
paper products 2oz．
glass bottles，jars，etc.4oz．
Tony throws out a lot of things．Today he threw out the following things．
bottles 14oz．
cans 8oz．
1newspaper，some letters，a magazine 30oz．
extra food 12oz．
yard waste 16oz．
48．Which city makes the biggest amount of garbage？D
A．New York．
B．Tokyo．
C．Chicago．
D．Los Angeles．
49．How many pounds of garbage did Tony throw out？A
A.5.0．
B.1.0．
C.3.0．
D.4.0．
50．Where may Mark live according to the amount of garbage he makes？B
A．In Los Angles．
B．In Kano，Nigeria．
C．In Chicago．
D．In New York．
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