题目内容

The government has failed to halt economic decline.

A. delay
B. decrease
C. stop
D. keep

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She now helps in a local school as a ______ three days a week.

A. volunteer
B. designer
C. species
D. specialist

Some animal and plant ______ cannot accommodate to the rapidly changing conditions.

A. forestry
B. species
C. determination
D. favor

The materials used have to be able to withstand high temperatures.

A. deposit
B. withdraw
C. retire
D. resist

If symptoms persist, ______ a doctor without delay.

A. conduct
B. consult
C. construct
D. condense

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