Question

The H7N9 flu is reported ______  higher fever and coughing for several days.

A．taking the form of

B．to take the form of

C．to be taken the form of

D．having taken the form of

Answer 1

B

试题分析：句意: 据报道H7N9病毒的症状是连续几天的高烧和咳嗽。sth be reported to do sth据报道，这是固定句型，这里take the form of与the H7N9 flu之间是主动关系，故选B。
点评：本题难度适中。主要考查的是非谓语的一些最基本的用法。但是，题目的设置注重了情景化和结构复杂化，加大了考生对题干句的理解难度。设问的角度呈现出多样化趋势，不仅仅是非谓语间的互相干扰。
即学即练：You should understand the traffic rule by now． You’ve had it_______ often enough.
A． explaining    B． to explain     C． explain    D． explained
解析：D。句意：你应该到现在为止理解交规了，你已经让别人解释多次了。