— What do people usually do at the Mid-Autumn Festival?
— ________.
A:Eat rice dumplings
B:Play “trick or treat”
C:Enjoy the full moon
D:Walk together after dinner
—It's so cold today.
—Yes, it's _____________ colder than it was yesterday.
在如图所示的电路中,用滑动变阻器控制灯的亮度,若要求滑片P向左端滑动时灯逐渐变亮,则下列接法正确的是( )
下列关于东南亚居民的描述,错误的是( )