A．For the sake of their health.B．For the maintenance of the heating or the air-conditi
A. For the sake of their health.
B. For the maintenance of the heating or the air-condition.
C. To make best use of their resources.
D. To make full use of the heating or the air-condition.
【C5】
A. shining
B. glistening
C. glowing
D. flourishing
A．More than fifty percent.B．About forty percent.C．At least ten percent.D．Twenty or thi
A. More than fifty percent.
B. About forty percent.
C. At least ten percent.
D. Twenty or thirty percent.
【C8】
A. upset
B. supported
C. hurled
D. concealed
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