婚姻关系的本质在于它的()。
A.社会性
B.经济性
C.繁衍性
D.激情性
参考答案:A
从括号中选出适当的词填空。
1. We need______ (health/healthy) food every day.
2. I have an egg, an apple and an ice cream ______( for /and) breakfast.
3. Liu Xiang is a great ______ (running/run) star.
4. For dinner, he likes ______ (carrots/carrot) and salad.
5. It's important to eat______ (good/well) for runners.
距肛门5cm的直肠癌,最适宜的手术方式是()
A.保留肛门直肠癌切除术
B.经腹直肠癌切除、人工肛门、远端封闭术
C.腹会阴联合直肠癌根治术
D.拉下式直肠癌切除术
E.直肠镜肿瘤切除术