2
3
4
5
第1题:
Do scientists know how many cryptic species exist?
A.Not yet.
B.Yes, they do.
C.They will know the answer in another one or two years.
D.They will never know the answer.
第2题:
A.1
B.2
C.3
D.4
第3题:
Five people are involved on a project that requires significant communication between all project participants. How many lines of communication exist on this project?
A 5
B 6
C 8
D 10
E 9
第4题:
第5题:
________will the discharging operations take?
A.How long
B.How length
C.How many times
D.How many shift
第6题:
A、familiar
B、apparent
C、fanciful
D、logical
第7题:
A.one
B.two
C.three
D.four
E.five
F.six
第8题:
173 Five people are involved on a project that requires significant communication between all project participants. How many lines of communication exist on this project?
A. 5
B. 6
C. 8
D. 10
E. 9
第9题:
第10题: