细菌性痢疾的肠溃疡特征
A．溃疡呈环形与肠的长轴垂直B．溃疡呈长椭圆形与肠的长轴平行C．溃疡呈烧瓶状口小底大D．溃疡表浅呈地图状
参考答案：D
用括号中的词填空。
(do does can don't)
1. On Sunday, I ________ watch TV. I must do my homework.
2. ________ her daughter have a nice English name?
3. ________ you spell the word?
4. ________ his grandparents like him?
5. —What ________ your uncle love?
—He loves sports.
氧气、压缩空气是（）气体。
A、助燃
B、易燃
C、有毒
D、氧化性
