题目内容

He () suicide at the peak of his career, which was unexpected and surprising.

A. committed
B. performed
C. made
D. did

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

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

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

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