主张“文章合为时而著,歌诗合为事而作”的古代作家是()
A. 白居易
B. 苏轼
C. 欧阳修
D. 韩愈
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A.Chemicals, lumber and cattle.B.Chemicals, lumber and automobiles.C.Chemicals, automo
A. Chemicals, lumber and cattle.
B. Chemicals, lumber and automobiles.
Chemicals, automobiles and cattle.
D. Lumber, automobiles and cattle.
某种水样经检验其pH值为8.2,说明该水质呈()性。
A. 酸性
B. 碱性
C. 中性
A.thinkB.agreeC.permitD.promise
A. think
B. agree
C. permit
D. promise
A.acceptedB.receivedC.refusedD.rejected
A. accepted
B. received
C. refused
D. rejected