题目内容

Tomorrow is my ________ birthday。

A. sixteen
B. sixteenth
C. the sixteenth
D. the sixteen

查看答案

搜索结果不匹配？点我反馈

更多问题

We have stayed at this school for _______ 。Which following choice is wrong?

A. two and a half years
B. two years and a half
C. two years and half a year
D. both A and B

Which ARE right?

A. 2009, June 25
B. 25th June, 2009
C. June 25, 2009
D. June 25st, 2009

下列化合物无光学活性的是

A. ClCH=C=CHCH3
B. CH3CH=C=CHCH3
ClCH=C=C(CH3)2
D. CH3-CH(Cl)-CH=CH2

化合物有手性的主要判断依据是分子中不具有

A. 对称轴
B. 对称面
C. 对称中心
D. 对称面和对称中心