【简答题】测量力的大小的工具是 ___________,实验室常用测量力的大小的工具是________,它是依据______________________________________________________________的道理制成的。
【单选题】The sign shows that _____________.
A.
You should be careful on the ice.
B.
You can go this way to get out.
C.
You should pay attention to your steps.
【单选题】下列测量工具中,能够测量力的大小的是( )
【单选题】The sign shows that __________.
A.
you can leave your car here if you pay £50.
B.
you can not leave your car here.
C.
the parking fee is £50.
【单选题】After falling off a tall balcony, a patient is brought to the ER. The patient is alert, reports back pain, and has difficulty moving the lower extremities. Which additional sign shows that the patient...
D.
Increased systolic blood pressure
【单选题】下列几种测量工具中,哪种是用来测量力的大小的工具( )
【单选题】根据海域地形结构和水文特征,将中国海划分为几大海区