点A的坐标为（1，-2），则点A到x轴的距离为 ，点A到y轴的距离为 .
下列措施能够减缓反应速率的是A．将铜与稀硝酸反应的试管浸入热水B．夏天将牛奶放入冰箱冷藏防止变质C．将石灰石研碎后与稀盐酸反应制取二氧化
His mother had thought it would be good for his character to _____from home and earn some money on his own. A. run away B. take away C. keep away
— What is his telephone number?— Sorry, I don’t ________. A. think B. meet C. find D. know
Knowing what colors look good _______ your skin is of great importance when you buy clothes. A. beyond B. within C. against
My house is the only brick one on the street. It _____ and you can't miss it. A. stands up B. looks out C. sticks out D. wipes o
You don't have to share the umbrellas. I'll give you one_____. A.every B.each C.all D.both
图14中AB为晨昏线的一部分，A为晨昏线上纬度最高点，C和D 在同一纬线上，A、C、D三点所差经度数相同，此时地球公转速度 较慢。读图回答下列问题。
