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knew
B:would know
C:have known
D:had known
knew
B:will know
C:had known
D:knows
孙家栋
B:钱学森
C:邓稼先
D:袁隆平
吴文俊
B:赵九章
C:钱伟长
D:王大珩
understanding
B:understand
C:knowing
D:know
a preference issue.
B:a hybrid issue.
C:an option.
D:a rights issue.
引入杂交
B:级进杂交
C:育成杂交
D:种间杂交
Liu Bang, Li Yuan
B:Li Yuan, Liu Bang
C:Liu Bang, Zhu Yuanzhang
D:Zhu Yuanzhang, Li Yuan
杂交水稻
B:太空椒
C:转基因超级鼠
D:克隆羊
雌雄核融合
B:有性杂交
C:两性杂交
D:无性杂交
无性杂交
B:两性杂交
C:雌雄核融合
D:有性杂交
种间杂交
B:属间杂交
C:亚科间杂交
D:科间杂交
pure acronyms
B:hybrid acronyms
C:syllabic acronyms
D:initialisms
">13.AIDS, which is an instance of _____., is short for" acquired immune deficiency syndrome".( )
选项: A:pure acronyms
B:hybrid acronyms
C:syllabic acronyms
D:initialisms
The scientists were____in their scientific research, not knowing what happened just outside
their lab.
选项: A:submerged
B:drowned
C:dipped
D:immersed
rice
B:egg
C:sandwich
D:dumpling
A. not to know B. not known C. not knowing D. not having known
选项: A: B: C: D:hybrid acronyms
C:syllabic acronyms
D:initialisms
">17.AIDS, which is an instance of ____, is short for “acquired immune deficiency syndrome". 选项: A:pure acronyms
B:hybrid acronyms
C:syllabic acronyms
D:initialisms
Laozi
B:zhang jiao
C:zhang daoling
D:confucius