1、2014-2015 学年高中英语同步作业题（6）及答案：Unit4（人教新课标必修 3）.单词拼写1A truck went out of control and crashed (碰撞) into the back of a bus.2The smell of new bread floated (飘动) up from the kitchen.3Dont pull (拉) so hard or the handle will go off.4As we all know, Qian Xuesen is a famous physicist (物理学家) 5The young man kno
2、ws little about Newtons law of gravity (万有引力).单项填空1The whole family had almost given up hope, but the little boy finally _ .Apulled out Bpulled throughCpulled up Dpulled over解析：选 B。句意：全家人几乎都放弃希望了，但这个小男孩最终恢复了健康。pull through“恢复健康 ”，符合题意。pull out “拔出；抽出；驶出” ；pull up “停下；停车” ；pull over “将开到路边” 。2Be care
3、ful when you open an unknown document.It might contain the deadly virus which could entirely_your computer system in a minute.Aexplode BcrashCmultiply Ddissolve解析：选 B。句意：当你打开一个未知的文档时要小心，它可能含有致命的病毒，这种病毒可以使你的电脑系统立即崩溃。explode “(使)爆炸” ；crash “使崩溃；坠毁” ；multiply “使增加；繁殖” ；dissolve “解散” 。根据句意，B 项正确。3He_at the red light and we stopped behind him.Apulled up Bpulled throughCpulled on Dpulled out解析：选 A。句意：他在红灯前把车停下，我们停在了他后面。pull up“停车” ，符合句意。
