【单选题】When a body floats in a liquid, the magnitude F b of the buoyant force on the body
A.
is smaller than the magnitude F g of the gravitational force on the body.
B.
is equal to the magnitude F g of the gravitational force on the body.
C.
is bigger than the magnitude F g of the gravitational force on the body.
【单选题】_____ refers to body distance and body touch.
【简答题】As a measure of body fat, BMI (body mass index) is calculated according to
【单选题】The blood ()in the body and provides what the body needs.
【单选题】Basically, _____ refers to body distance and body touch.
【多选题】能够判断真假的陈述句叫作命题,正确的命题叫作______,错误的命题叫作______。
【单选题】In the sentence "Part of the student body...", body has the closest meaning to ?
A.
During the period of plague, my body temperature is regularly measured.
B.
After the fight, he had injuries to his head and body.
C.
We are going to study the main body of the text tomorrow.
D.
A large body of people have been affected by the virus.
【单选题】When a body floats in a liquid, the magnitude F g of the gravitational force on the body
A.
is smaller than the weight m f g of the fluid that has been displaced by the body.
B.
is equal to the weight m f g of the fluid that has been displaced by the body.
C.
is bigger than the weight m f g of the fluid that has been displaced by the body.
【单选题】____ refers to body distance and body touch.