—I've decided to quit this job,but I'm afraid I won't be able to find a better one.
—________.You never know until you try.
A:Forget it
B:Go for it
C:Good luck
D:Never mind
—How many____can you see in the picture?
—Only one.
请将如图所示各仪器的读数填入相应的空格处:
温度计读数 ____ ℃,物块重力 ____ N,纪念币直径 ____cm,电阻箱读数 ____ Ω.
下列对病句的修改不正确的一项是( )