海南专升本英语单选练习题及答案解析

　　1.The rocks are very big with _____ of colors on them.

　　A. bands

　　B. marks

　　C. rails

　　D. shapes

　　【精析】A band (颜色与其余部分不同的) 条纹。Mark痕迹, 斑点; 记号, 标记。本题是讲岩石上色彩不同的“条纹”, 故用bands. rail (轨道) ,shape (形状) ,均不合题意。

　　2.Probability is the mathematical study of the _____ of an event's occurrence.

　　A.desireB.likelihood C.result D.effect

　　【精析】B

　　3. X-rays are able to pass through objects and thus make _______ details that are otherwise impossible to observe.

　　A.it visible

　　B.them visible

　　C.visible

　　D.they are visible

　　【精析】C 本题的关键是找出make details visible这个“动词+宾语+宾语补足语”结构，本题中形容词visible作宾语补足语。句中的that are otherwise impossible to observe是定语从句，用来修饰宾语details。故选C。

　　4.Before he fell into the river, he took hold of a small tree on the bank by ______.

　　A.inspiration

　　B.instance

　　C.instinct

　　D.instruction

　　【精析】 C by instinct为固定短语，意为“本能地”。

　　5.Don't put too much pressure on the children, because anxiety can ________ with their performance at school.

　　A.interfereB.interpretC.interruptD. interview

　　【精析】A interfere with为固定搭配，意为“干扰，阻挠”。interpret：解释;interrupt：打断;interview：面试，面谈。故选A。