酸奶的益处有以下哪几种？（）
A、易于消化吸收
B、刺激胃酸分泌
C、抑制肠道腐败菌的生长繁殖
D、减轻乳糖不耐症症状
参考答案：A, B, C, D
改错。
1. Jim passed the driving test, it surprised everybody in the office. _______
2. Which is known to all, he is the best student. _______
3. It is such a big stone that nobody can lift. _______
4. Our teacher is very strict with us, that does much good to us. _______
5. He will come to see me next July, which he won't be so busy. _______
下列哪项因素与高血压有关（）
A.高钠低钾
B.低钠高钾高钙
C.低钠高磷
D.高糖高钙
E.低钠低钾
