今天的文章内容对于正在备考四级考试的同学们是非常的有价值，为了帮助同学们更好的备考四级考试，课窝小编给大家整理了一些语法练习，一起来了解一下吧。
1. During the races there were two accidents to motor-cyclists including one ______ accident.
A. fatal B. killing C. deadly D. deathly
2. Business picked up in the stores during December, but ______ again after Christmas.
A. dropped out B. dropped on C. dropped over D. dropped off
3. His misbehavior and ______ dismissal from the firm was reported in the newspaper.
A. improper B. inefficient C. subsequent D. frequent
4. Every citizen has the sacred ______ to defend his country.
A. right B. objective C. authority D. obligation
5. We need an umbrella on the beach to give us some ______ at midday.
A. shed B. shade C. shadow D. dark
6. ______ to the Revolutionary War, the United States was an English colony.
A. Prior B. Close C. Earlier D. Next
7. If you are an electrician, you will know the difference between an alternating and a direct ______.
A. conductor B. circuit C. cable D. current
8. The company has the ______ right to print Mr. Dare’s books.
A. virtual B. exclusive C. overall D. flexible
9. Digging the foundation is the first ______ of our building project.
A. solution B. procession C. phase D. achievement
10. The curtains have ______ because of the strong sunlight.
A. faded B. dulled C. fainted D. weakened
参考答案及解析
1 题：答案为A。fatal 致命”;killing 杀死;deadly 致命的;deathly 象死一般的。
2 题：答案为D。drop out 退出;drop on 偶然拜访;drop over 顺便来访;drop off 减少。
3 题：答案为C。improper 不合适的;inefficient 没有效率的;subsequent 随后的;frequent 经常的。
4 题：答案为D。right 权利;objective 目的;authority ;obligation 义务。
5 题：答案为B。shed 棚;shade 阴凉;shadow 影子;dark 黑暗的。
6 题：答案为A。prior to 在前;close 接近;earlier 早于;next 下一个。
7 题：答案为D。conductor 导体;circuit 电路;cable 电缆;current 电流。
8 题：答案为B。virtual 实际上的;exclusive 专有的;overall 大体上的;flexible 灵活的。
9 题：答案为C。solution 解决;procession 行列;phase 阶段;achievement 成就。
10 题：答案为A。fade 褪色;dull 迟钝;faint 暗淡;weaken 削弱。
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