Over the past ten years, China has______a series of great changes in-考呗网题库移动版

单选题 Over the past ten years, China has______a series of great changes in its infrastructure and economy.

A．witnessed
B．found
C．occurred
D．taken

参考答案A

解析:【答案】A。解析：考查动词辨析。witness意为“见证”，可以用物作主语。句意为“过去十年，中国在基础设施和经济方面都发生了一系列的变化”。故选A。

单选题 Tred insists he is______ , but I'm sure he believes in some supreme beings.

A．a chaperon
B．a steward
C．a ruffian
D．an atheist

单选题 If the appliance is defective, write directly to the manufacturercomplain to your local consumer protection association. ______

A．then
B．or
C．but
D．though

单选题 What is the appropriate response to______"It's been such a wonderful lecture. Thank you very much" ?

A．It's OK.
B．My duty.
C．You're welcome.
D．My pleasure.