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【单选题】
以下造园工程中,体现了“因地制宜,巧借”得有A.
欲就亭台，低凹可开池沼。
B.
从景观上考虑，大量引进树种。
C.
喜水湿树种种在山坡上。
D.
以上均是。
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举一反三
【单选题】Cross-licensing agreements are increasingly common in the _____ industry.
A.
Transportation
B.
High-technology
C.
Construction
D.
Consumer durables
【单选题】Which of the following is not true about CRISPR/Cas9 system ?
A.
The system contains a gRNA and an exo nuclease
B.
CRISPR refers to c lustered regularly interspaced short palindromic repeat
C.
A gRNA guides the endonuclease to load on a DNA target and cut it
D.
It is a part of immunity system of bacterium used to resist the foreign DNA
E.
The system contains a gRNA and an endonuclease
【单选题】In the United States , cross-licensing and patent pooling agreements are unlawful if they are:
A.
used to divide up territories among competitors.
B.
used to exclude third parties from competing.
C.
used to restrain trade.
D.
Any of the above.
【简答题】肺实变最早出现的体征是（ ）
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