-1, 2, 3, 4, 9, 16, 29, ( )
A.32
B.35
C.41
D.44
参考答案:D
根据句意及首字母提示完成单词。
1. How many c _____ are there in the world?
2. Can you write to me s _____?
3. People in France do not like s _____ English.
4. Koalas (树袋熊) come from A _____.
5. Miyoko l _____ in Tokyo, Japan.
最常用的筛选转化细菌是否含有质粒的方法是()
A.抗药性筛选
B.营养互补筛选
C.免疫化学筛选
D.原位杂交筛选
E.Southern印迹筛选