【判断题】lower-grade fever 高烧
【单选题】如图所示,把两个弹簧振子悬挂在同一支架上,已知甲弹簧振子的固有频率为 8Hz ,乙弹簧振子的固有周期为 72Hz ,当支架在受到竖直方向且频率为 9Hz 的驱动力作用下做受迫振动时,则两个弹簧振子的振动情况是
【单选题】The soundings on the chart are based on the depth of water available at ______.
D.
mean high water springs
【单选题】设int x=1,y=2,z=3; 则执行 t = ++x ||++y&&++z;语句后,t,x,y,z的值分别为( )
【单选题】Mean low water is the average height of().
A.
the surface of the sea
B.
high waters and low waters
D.
the lower of the two daily low tides
【单选题】fell low of a fever (paragraph 3)
A.
fell down and got sick
B.
came down with a fever
C.
reduced the temperature
【单选题】设int x=4,y=2,z=0; 则执行完 (x-y<=y)|| (y=z)后,y的值是_______。
【单选题】设int x=2,y=4,z=7;则执行x=y--<=x| | x+y!=z后x,y的值分别为:
【单选题】第二册单选 Unit2 The reason why he hasn’t come is _______.
A.
because his mother is ill
C.
that his mother is ill
【简答题】What is the grade of fever?