A.A FTP
B.B E-mail
C.C Telnet
D.D HTTP(网页浏览)
第3题
B.A quick search on the Internet.
C.Applying theory to practice
D.Idea exchanges with their teachers.
第4题
A.the causes and effects of El Nino weather phenomena
B.the worldwide monitoring network set up to predict El Nino
C.the relationship between the ocean temperatures and climate patterns
D.El Nino phenomena and destructive effects of one El Nino event on Ica
第8题
A、病毒的形态和大小
B、病毒基因组核酸类型和结构
C、病毒衣壳的对称类型
D、病毒致病性强弱
E、病毒又无包膜结构
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