左右输尿管芽的内侧互相愈合，使所诱导的左右。肾下端互相融合成马蹄形（）
A．脑积水
B．神经管缺陷
C．双输尿管
D．马蹄肾
E．膀胱外翻
参考答案：D
The strict teacher _________ me very tired.[ ]
A. does
B. let
C. makes
D. puts
根据句意，用所给词的适当形式填空
小题1:I am __________(surprise) at the news. What about you?
小题2:When I passed the driving test, I thought I was the__________(luck) person in the world.
小题3:The little boy is __________(kind) to his classmates, so nobody likes him.
小题4:What do you think about the air __________(pollute) in your hometown?
小题5:Danny and Daniel are brothers, and their__________(wife) are sisters. That’s interesting.
