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
