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【单选题】
下列各项不属于基因工程在实际中的应用的是A.
转基因抗虫棉的培育成功
B.
利用DNA探针检测饮用水中有无病毒
C.
培育工程菌使之能产生胰岛素
D.
将C4植物细胞内的叶绿体移入C3植物细胞内
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举一反三
【多选题】What are the positive& Negative effects of tourism?
A.
Economic effects
B.
Environmental effects
C.
Effects of mega events
D.
Social effects
【单选题】This is the first study to compare the effects of the new drug with its side effects.
A.
beneficial
B.
specific
C.
powerful
D.
potential
【简答题】Though the immediate effects can be seen, the lo______ effects remain unknown.
【单选题】Determining firm performance is a complex interaction of firm effects and industry effects, with other factors also considered. Based on historical analysis, what do we know about firm and industry ef...
A.
Managerial actions rather than firm effects have a large role in firm performance.
B.
Macro environmental effects such as a recession have more impact than either firm or industry effects
C.
Firm effects have more impact on performance than industry effects.
D.
Industry effects have more impact on performance than firm effects.
【单选题】Is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be alterred retroactively without the alteration of all su...
A.
Cloud service
B.
Blockchain
C.
Internet of things
D.
Artificial intellingence
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