The farmer did not spend much time working on his farm.英译汉

Some of her pictures were shown in an art exhibition in...

未知题型Some of her pictures were shown in an art exhibition in Shanghai when she was 4 years olD.英译汉

The taxi driver often reminds passengers to take their ...

未知题型The taxi driver often reminds passengers to take their belongings when they leave the car.英译汉

在正方体ABCD-A1B1C1D1的六个面中，与底面ABCD垂直的平面的个数为（ ）. A、2个 B、3个 C...

单项选择题在正方体ABCD-A1B1C1D1的六个面中，与底面ABCD垂直的平面的个数为（ ）.
A、2个
B、3个
C、4个
D、5个