The professor’s research finally proved to be , though he had spent a lot of money on it.A．pricelessB．valuableC．worthlessD．worthwhile 题目和参考答案——青夏教育精英家教网—

题目内容

The professor’s research finally proved to be ______, though he had spent a lot of money on it.

A．priceless

B．valuable

C．worthless

D．worthwhile

略

练习册系列答案

Christmas in the west is ____________ as the Spring Festival in China.

A．so important a festival	B．as important a festival
C．so an important festival	D．as an important festival

Hold the book ______ please, for I can't see the words in it clearly.

.It isn't quite _____ that he will be present at the meeting.

Several hours later, with the help of the police, the students managed to escape from the dangerous place, _______.

A．hungry andfrightened	B．hungrily and frightening
C．hungry and frightening	D．hungrily and frightened

If you are left _______ on a _________land, how will tou make a living?

A．lonely; deserting	B．alone; deserting
C．alone; deserted	D．lonely; deserted

Taiwan is part of China.But it is a ___ island.It’s ___from he mainland by Taiwan Strait.

A．separate, separated

B．separate, divided

C．separated, separating

D．divided, separated

The newcomer’s ___________ nature accounts for his making a large circle of friends soon after his arrival.

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