在其他条件相等时,原油的比热容越大,管道输送时管中原油温降()。
A.越大
B.越小
C.没关系
D.不一定
参考答案:B
如图所示,在练习使用电流表的实验中,某同学发现电流表(0~3A)的量程刻度值标示不清,根据你对电流表的了解,电流表的正确读数是( )
A.0.42A
B.0.44A
C.2.2A
D.2.4A
When I came ________ with the teenager hidden in the cave, I was surprised to find him ________ covered with dust.
A.face-to-face; entirely
B.face to face; entire
C.in face of; completely
D.face to face; entirely