磁性异常地区或磁性干扰严重的情况下,应采用()测井斜、方位
A、单点测斜仪
B、多点测斜仪
C、陀螺仪
D、随钻测斜仪
参考答案:C
根据短文意思回答问题。
Mike runs home from school. He is hungry. And he has much homework to do. He wants to play basketball,
too. But he doesn't have much time. Mike goes to the kitchen. Mrs Brown is cooking. "I'm hungry, Mum, "
says Mike. "Here are some pies. But don't eat too much. Supper's ready soon. " Mike eats some pies. Then he
does his homework. "How's school today?" Mrs Brown asks. "Fine, but, I'm busy now. Don't speak to me. "
One hour later, Mike is still studying. "Oh, I forget to play basketball!" says Mike.
Questions :
(1) Does Mike have much homework to do?
(2) What does he want?
(3) What is his mother doing?
(4) Is supper ready soon?
(5) What does Mike forget today?
有关滴定管的使用错误的是( )。
A.使用前应洗干净,并检漏
B.滴定前应保证尖嘴部分无气泡
C.要求较高时,要进行体积校正
D.为保证标准溶液浓度不变,使用前可加热烘干