可排出碱性尿液的疾病，但除外（）.
A.慢性膀胱炎
B.尿潴留
C.低钠低氯性碱中毒
D.肾小管性酸中毒
E.服用NaHCO3
参考答案：C
在数轴上表示2与-8的两个点之间的距离是[ ]
A．6
B．10
C．-10
D．-6
Bicycles are very 1 with Chinese people. Bike riding is very good for your health. 2 , it’s good for your heart. Riding bikes fast can make your heart 3 . Second, learning 4 a bike can also improve your balance(平衡). So don’t stay at home always. Let’s ride bikes outside to 5 the beauty of the nature.
