专四语法每日一练试题

　　专四考试中，有语言知识一项，一共有20题，其实就是词汇语法题啦。而且不止是语言知识，完形填空也必须用到语法。语法看似简单，而且都是选择题，但是也是失分点，为了让大家保证在这项上不失冤枉分，小编为大家带来专四语法每日一练，今天的5题还请大家继续加油！

　　1.The political future of the president is now hanging by a __.

　　A thread B cord C string D rope

　　2.The question is still__ discussion.

　　A in B by C for D under

　　3.We managed to reach the top of the mountain, and half an hour later we began to __.

　　A ascend B descend C decline D plunge

　　4.To survive in the intense trade competition between countries, we must__ the qualities and varieties of products we make to the world-market demand.

　　A improve B enhance C guarantee D gear

　　5.There has been a __ lack of communication between the union and the management.

　　A regretful B regrettableC regretting D regretted

　　（做完后才能看答案哦！）

　　1．选A 四个选项都有“绳索”这个意思，但只有thread和hang by构成习语：hang by a thread千钧一发

　　2．选D be+ prep+n（表动作的名词）来表示“被动”而under discussion是习惯搭配

　　3．选B descend 指人，物体从某一高度/斜面上“下来/降”On turning the corner, we saw that the road descended sharply.

　　decline 强调权利，繁荣，成就，健康状况，体力，记忆，数量的“减少，衰落”His influence declined after he lost the election.

　　ascend渐渐上升，descend的'反义词。We watched the balloon ascend higher and higher.

　　plunge使突然前倾或下降 The sudden application of the brakes plunged him forward.

　　enhance 增加，提高The moonlight enhanced the beauty of the scene.

　　4．选D gear to使……适合，配合We must gear the amount of products we make to the increase in public demand. 现在来分析题目.题中的To……,是目的状语.而we 是主语, gear.to是谓语,而the qualitiesand varieties of products 是宾语,而we make 是来修饰这个宾语的,the world-market demand是宾补.句子的大致意思就是说我们必须根据市场的需求制造商品,才能在市场上立足.

　　5 选B regrettable 可惜的 regretful后悔的，抱歉的

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