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9B U4重点单词配套练习: 1.dried food干粮 (1). I think (dry)food is the most important thing for an astronaut. 2.sleeping bag睡袋 (1). 为了进入外太空我们需要干粮和睡袋。 To go into_, we need _ and _. 3.planet行星 (1). Both Mars and Earth are (行星). (2). We can see more than one (行星)with our own eyes. (3). Hopefully,we can move to a (行星)where there is no pollution. (4). The Sun is one of the (行星)in our solar system. 4.polluted被污染的 (1). There is no (pollute)in this small town. (2). The river is and we should try to solve the water (pollute). (3). (pollute)air hangs over the city. (4). The river with waste from local factories already.We should deal with (pollute)right now. (5). 我们应该阻止工厂污染河流。 We should . 5.rapid迅速的 (1). We can’t buy villas(别墅) because the housing price has increased rapidly. We can’t buy villas because of _ _ _ in the housing price. 6.increase增加 (1). We can’t buy villas(别墅) because the housing price has increased rapidly. We can’t buy villas because of _ _ _ in the housing price. 7.all over again重新 8.passenger乘客 (1). There are plenty of (乘客)seats in the coach. 9.at the speed of以...的速度 (1). A spacecraft can travel half the speed light. A.at;in B.at;of C.from;to D. between;and (2). The train in Huai’an could move at _ speed of 30 km/h. I do hope it will move at _high speed. A. a; a B. the; / C. /; the D. the; a (3). Space shuttles will travel _half the speed of light. A in B at C with D to (4). 火车将以声速一般的速度行驶。 The train _ . 10.uncomfortable不舒服的 (1). The pair of shoes are very (comfortable).I want to try another pair. (2). Birds now can live (comfortable) in the nature reserve. (3). I like living in Yangzhou (舒服)all year round. (4). He feels (comfortable) because of being punished in public. (5). 随着技术的发展,人们将在某种程度上过上一种舒适的生活。_ technology, people will _ _. 11.in the form of以...的形式 (1). When the temperature is below 0 ,water will be ice. A.in the form of B.in form of C.change into D.turn into (2). 每当我失败了,我的父亲都会以书信的形式鼓励我立即重新开始。 Whenever I fail, my father will encourage me to _ at once _ letter