题目内容

The Nobel Prize winner ( ) himself to working for peace all through his life.

A. committed
B. promised
C. agreed
D. devoted

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The initials, WWF, () World Wide Fund for Nature.

A. stand out
B. stand for
C. stand up
D. stand up for

Being more intelligent and () than most of his colleagues, he is soon promoted to a higher position.

A. industrial
B. smart
C. industrious
D. conscious

Mr. Jones has () himself as one of the foremost doctors treating cancer patients.

A. established
B. strengthened
C. verified
D. confirmed

Running around the corner, Mike () with another boy and both fell down on the floor.

A. crashed
B. smashed
C. collided
D. crushed