【单选题】Question 23 is based on the passage you have just heard .
A.
They have their weight reduced to minimum .
B.
They consume the energy stored before the long sleep .
C.
They can maintain their heart beat at the normal rate .
D.
They can keep their body temperature warm and stable .
【判断题】相对压力是把标准大气压作为零值,通过压力表上指示读出的压力值。
【判断题】联合国海洋法公约规定,每一国家有权确定其领海宽度,但不得超过24海里
【单选题】联合国海洋法公约规定,每一国家有权确定其领海宽度,但不得超过
【简答题】某台变压器的型号是SL-1000/10,那么其额定容量为_________,其一次侧的额定电压为__________。