For threequarters of its span on Earth, life evolved almost _______ as microorganisms.
A precisely B instantly C initially D exclusively
第1题:
A、适合国情的ITS技术发展模式
B、ITS与基础设施同步发展
C、ITS的学习和创新特点
D、不分地区和阶段的发展特点
第2题:
以下对枚举类型名的定义中正确的是______。
A.enum a={one,two,three};
B.enum a{one=9,two=-1,three};
C.enum a={"one","two","three"};
D.enum a{"one","two","three"};
第3题:
Despite the wonderful acting and well-developed plot the _________ movie could not hold our attention.
A) three-hours B) three-hour
C) three-hours’ D) three-hour’s
选B
用破折号连接的作形容词不用复数.
第4题:
A) converted
B) developed
C) exposed
D) evolved
第5题:
A ___ (救生圈) should be located on the gangway.
A.life-jacket
B.life-raft
C.life-buoy
D.life-boat
第6题:
真核生物ITS序列由ITS1和ITS2两部分组成。