4+1=5(段);
518÷5=118(米);
答:每段长118米.
I don’t think she’ll be upset, but I’II see her in case______________.
A.she will
B.she is
C.she does
D.she would
关于氨基酰-tRNA合成酶的叙述,不正确的是
A.催化生成氨基酰-AMP-E
B.催化生成氨基酰-tRNA
C.催化生成氨基酰-ATP-E
D.能高度特异地识别氨基酸
E.能高度特异地识别tRNA