学习语法首先要学习句子，因为句子是人类语言的核心，通过对句子的分析理解，可以更好的掌握语法。下面是小编整理的大学英语四级语法词汇练习及解析（14），希望对你的语法学习有所帮助！

　　141.Students with _______ problems may apply for student loans.

　　A. economic B. financial C. male D. economical

　　142.Both sugar and salt can ______in water.

　　A. desert B. absorb C. dissolve D. involve

　　143.I have not heard anything from him since his _______.

　　A. departure B. fault C. foundation D. accentuate

　　144.Without a proper education, people could _______ all kinds of crimes.

　　A. conduct B. stoop C. commit D. sweat

　　145.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.

　　A. connected B. sustained C. associated D. suspended

　　146.This morning in the class, our teacher lost his _______ at last because he could not stand any more.

　　A. temper B. terror C. verse D. contain

　　147.It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.

　　A. continuous B. difficult C. convenient D. sufficient

　　148.When traveling alone in the mountains, you'd better take a _______ with you in case you get lost.

　　A. compass B. compress C. compose D. campus

　　149.As a teacher, you should not _______ the students from asking questions in class.

　　A. ruin B. restrain C. import D. impose

　　150.If you have any problems during your study here, please do not _______ to call me for help

　　A. hesitate B. despair C. urge D. request

　　141.B

　　142.C

　　143.A

　　144.C

　　145.D

　　146.A

　　147.C

　　148.A

　　149.B

　　150.A