1. —If you buy another pet dog, you are just laying out money and you'll feel sorry for it soon.
—Maybe I should that wild idea.

A.afford
B.drop
C.choose
D.throw

一、1. B

翻译:
—如果你再买一只宠物狗，你就是在浪费钱，而且很快你会为此感到后悔。
—也许我应该放弃那个荒唐的想法。

2. As the saying goes, "Always taking out of the meal-tub(餐盘) and never putting in, soon comes to the ."

A.cover
B.top
C.bottom
D.surface

一、2. C

翻译:
俗话说：“只从餐盘里取食，而从不往里面放（食物），很快就会见底。”

3. —We have got another problem, guys. Our food and water are all running .
—Oh! How can we survive in this desert?

A.weak
B.low
C.wild
D.poor

一、3. B

翻译:
3. ——伙伴们，我们又遇到一个问题了。我们的食物和水都快耗尽了。
——哦！我们怎么能在这片沙漠中生存下去呢？

4. —Why do so many people like riding shared bikes?
—One of the advantages is that it can the air pollution.

A.cut off
B.cut out
C.cut up
D.cut down

一、4. D

翻译:
4. ——为什么这么多人喜欢骑共享单车？
——优点之一是它能减少空气污染。
A. 切断
B. 删去；停止
C. 切碎
D. 减少；削减

5. —Could you tell me ?
—Well, we should ride bikes or take the subway instead of driving.

A.what your idea for reducing air pollution is
B.what is the solution to save sea animals
C.how can we do to save the environment
D.what we did in order to protect the city's air system

一、5. A

翻译:
5. ——你能告诉我______吗？
——嗯，我们应该骑自行车或乘地铁，而不是开车。
A. 你对减少空气污染的想法是什么
B. 拯救海洋动物的解决方案是什么
C. 我们能做些什么来拯救环境
D. 我们为了保护城市的空气系统做了什么

二、用方框中所给的单词或短语完成对话(提示：有两个多余选项)
fix up/throwing/used to/clean up/bottom/could/cruel
Tony: Hey, Mark, maybe we (1) go swimming in the river later this afternoon.
Mark: I don't think I want to go, Tony.
Tony: Why?
Mark: I was there last weekend and the river was really dirty. Even the (2) of the river was full of rubbish, and there were no more fish for fishermen to catch.
Tony: No way! It (3) be so clean. In fact, it has always been the nicest river in this town.
Mark: Not any more. I think people are (4) litter into the river. Factories are also putting waste into the river.
Tony: That's terrible! We should write to the government. They should close down the factories.
Mark: Good idea! But I think everyone in this town should help to (5) the river, too. Everyone should play a part, not just the government.

二、(1)could (2)bottom (3)used to
(4)throwing (5)clean up

翻译:
二、用方框中所给的单词或短语完成对话（提示：有两个多余选项）
修理/扔/过去常常/打扫干净/底部/可以/残忍的
托尼：嘿，马克，也许我们今天下午晚些时候可以去河里游泳。
马克：我想我不想去，托尼。
托尼：为什么？
马克：我上周末去过那里，河水真的很脏。甚至河底都满是垃圾，渔民也再也捕不到鱼了。
托尼：不可能！它过去常常是那么干净。事实上，它一直是这个镇上最美的河。
马克：不再是了。我认为人们正在往河里扔垃圾。工厂也在往河里排放废物。
托尼：那太糟糕了！我们应该给政府写信。他们应该关闭这些工厂。
马克：好主意！但我认为这个镇上的每个人也应该帮忙打扫干净这条河。每个人都应该发挥作用，而不仅仅是政府。