Two individuals authorized to serve as a lifeboatman must be assigned to any lifeboat that has a capacity of more than()
A.10 persons
B.20 persons
C.30 persons
D.40 perso
- · 有3位网友选择 A,占比37.5%
- · 有2位网友选择 C,占比25%
- · 有2位网友选择 B,占比25%
- · 有1位网友选择 D,占比12.5%
A.10 persons
B.20 persons
C.30 persons
D.40 perso
A.10 persons
B. 20 persons
C. 30 persons
D. 40 perso
Two TV cameras ______ eyes of a mechanical man.
A.are served as
B.serve as
C.will be serve as
D.were serve as
A、only one
B、two
C、more than two
D、as many as four
A、serve your spouse first.
B、serve your friend’s spouse first.
C、serve you and your spouse last.
D、serve your client last.
DNA fingerprinting can be unreliable when ______.
A.the methods used for blood-cell calculation are not accurate
B.two different individuals of the same ethnic group may have the same DNA fingerprinting pattern
C.a match is by chance left with fingerprints that happen to belong to two different individuals
D.two different individuals leave two DN samples
According to the passage, DNA fingerprinting can be unreliable when ______ .
A.the methods used of blood cell calculation are not accurate
B.two different individuals of the same ethnic group may have the same DNA fingerprinting pattern
C.a match is by chance left with fingerprints that happen to belong to two different individuals
D.two different individuals leave two DNA samples
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