肛管后正中线相当于膝胸位的是下列哪一项()
A．12点钟处
B．3点钟处
C．6点钟处
D．9点钟处
E．7点钟处
参考答案：A
下列几幅图中，由电流产生的磁场方向正确的是
预习Reading部分，完成下列句子。
1. Sometimes, ____ (接受) a gift can be difficult.
2. Guo Xiaoping laughs,“ ______ (说实话) , I thought the purse was really ugly.”
3. Han Ling agrees, "My grandparents and I have (不同的品味) ."
4. Maybe____ ______ ______ _______ (接受的艺术) is even more difficult
than _______ _______ (给予的艺术).
