单项选择题X 纠错
A.Artemisinin(Qinghaosu):a mesmerizing drug that still puzzles
B.The discovery of Qinghaosu(artemisinin)as an effective anti-malaria drug:Aunique China story
C.Publication process involving the discovery of artemisinin(qinghaosu)before 1985
D.The development of new antimalarial drugs:Qinghaosu and dihydro qinghaosu
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单项选择题
A.①④
B.②③
C.①②③④
D.①③④
单项选择题
A.‘互联网+’AND现状AND发展NOT中国
B.‘互联网+’AND现状AND发展OR中国
C.‘互联网+’OR现状AND发展AND中国.
D.‘互联网+’AND(现状OR发展)AND中国