选择性动脉栓塞术主要不适反应不包括（）。
A.头痛
B.发热
C.恶心呕吐
D.全身瘙痒
E.腹部内脏血管栓塞区疼痛
参考答案：D
看一看它的变化形式。
1. They have _____ (learn) a lot of Spanish words since last month.
2. Li Mei will show her homework to ____(we).
3. My mother is so tired that she needs _____ (have) a rest.
4. Tom ____ (watch) TV now, we don't bother him.
5. I hope you can _____ (paint) well.
哺乳动物子代的成活率大大提高，其主要原因是 [ ]
A．用肺呼吸
B．大脑发达
C．胎生哺乳
D．活动范围大
