A.预调查
B.试点调查
C.捷径调查
D.普查
E.抽样调查
第1题
A.Optical fiber
B.Access point
C.Directional antenna
D.Omni-directional antenna
第2题
A.Is there a clear opening statement of the point of the paper
B.Are all the materials on target in support of the opening point
C.Is there specific evidence to support the opening point
D.Is there enough specific evidence
第3题
第4题
第5题
第6题
第7题
A、Clear purpose
B、Single focus
C、Logical organization
D、Clear point of view
E、Sufficient and relevant support
F、Target readers
G、Reader engagement
第8题
A、extraction of vector DNA, ligation of target DNA to vector DNA, restriction of target DNA
B、restriction of target DNA, ligation of cut (that is, restricted) target DNA to vector DNA which has already been cut, transformation of host cells
C、cutting target DNA, cutting vector DNA, amplifying target DNA
D、amplifying target DNA, ligating target DNA to cut vector DNA, homologous recombination of target and vector DNA
第9题
A.hit the target of
B.hit the target to
C.hit target to
D.hit target of
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