小细胞未分化肺癌脑转移的发生率为（）
A.10%左右
B.20%左右
C.5%左右
D.80%左右
E.40%左右
参考答案：D
解析：80%左右。
—Have you received their invitation to their wedding?
—Not yet. And I won’t attend it even if .
A．inviting
B．invited
C．being invited
D．having invited
我会填，只写序号。
①只 ②把 ③条 ④朵 ⑤棵
一（ ）小狗 一（ ）小河 一（ ）白云
两（ ）鸭子 一（ ）雨伞 一（ ）小树
