腹外疝的内容物有（）。
A.小肠
B.大网膜
C.盲肠
D.乙状结肠
E.横结肠
参考答案：A, B, C, D
用所给词的适当形式填空。
1. He wants to be a _____ (profession) singer.
2. I get to spend time _____ (do) what I love to do.
3. He has met some _____ (wonder) people at the hospital.
4. I'd like to help _____ (home) people.
5. Let's put off _____ (make) a plan.
教学语言技能是整个教学技能的核心。 （ ）
