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【单选题】
基础埋入地下经常受潮,而砖的抗冻性差,所以砖基础的材料一般用( )。A.
MU10砖,M5水泥砂浆
B.
MU10砖,M5混合砂浆
C.
MU7.5砖,M5水泥砂浆
D.
MU7.5砖,M5混合砂浆
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举一反三
【单选题】When the sentence 'We are paying close attention to young consumers.' is turned into passive voice, which of the following is CORRECT?
A.
Close attention is being paid to young consumers.
B.
Close attention is being paid by us.
C.
Young consumers are being paid close attention.
D.
Young consumers are paid close attention to.
【单选题】Why does a decrease in prices cause an increase in demand?
A.
Consumers buy fewer goods when prices are low.
B.
Producers make fewer goods when prices are low.
C.
Producers make more goods when prices are high.
D.
Consumers buy more goods when prices are low.
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