All of the plants now raised on farms, have been developed from plants ()wild.
A. once they grew
B. they grew once
C. that once grew
D. once grew
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()是指当地地下水的开采利用情况,地下水埋深,地下水与地面的联系以及水质状况与污染来源。
A. 大气环境
B. 土壤环境
C. 地面水环境
D. 地下水环境
About 85 percent of the students() good, and part of them() interested in biology.
A. is; are
B. are; are
C. are; is
D. is; is
A.repeatB.threadC.teachD.reader
医师开具处方的原则不是
A. 按照药品说明书中的用量
B. 按照药品说明书中的适应证
C. 警惕药品说明书中的禁忌证
D. 根据患者要求
E. 按照诊疗规范