At times the balance in nature is________, resulting in a number of possibly unf

题型：山西省同步题难度：来源：

At times the balance in nature is________, resulting in a number of possibly unforeseen effects. [     ]
A. confused
B. puzzled
C. disturbed
D. troubled

答案

举一反三

— Hi, Peter.Long time no see.
— Oh, it"s you, Jack.I"m sorry I didn"t ________you at first. [     ]
A. know
B. recognize
C. remember
D. realize

题型：山西省同步题难度：| 查看答案

Tyron was very angry, but coolheaded enough to________rushing into the boss"s office. [     ]
A. prevent
B. avoid
C. protect
D. allow

题型：山西省同步题难度：| 查看答案

As nobody here knows what is wrong with the machine, we must send for an engineer to______
the problem. [ ]
A. handle
B. raise
C. face
D. present

题型：山西省同步题难度：| 查看答案

—I wonder how to________to him when I get a present from my foreign friend Jack.
—Of course say "Thank you". [     ]
A. invite
B. answer
C. manage
D. react

题型：山西省同步题难度：| 查看答案

Having retired，he________the club for old men and plays chess every day there.[ ]
A．joins
B．takes part
C．attends
D．participates

题型：福建省同步题难度：| 查看答案