约翰跳进了河,我也跳了进去。
参考答案:John jumped into the river and so did I.
13, 10, 4, 7,-2,( )
A.-9
B.-12
C.10
D.11
2008年度最高科学技术奖获得者有()
A.王忠诚
B.徐光宪
C.邓稼先
D.袁隆平