班氏丝虫常寄生于()
A．浅部淋巴系统
B．深部淋巴系统
C．肝脏
D．肾脏
E．以上都可以
参考答案：A, B
When I got up, I found parents were preparing breakfast for me.
The Changjiang River is about 6,300 kilometers ______. [ ]
A. wide
B. tall
C. long
D. high
