freshets
floods
river flows
seismic events
第1题：
As the ocean water changes to ice, it keeps the temperature______ falling too far.
A、with
B、into
C、besides
D、from
第2题：
The meaning of ebb tide is that ______.
A.tide is falling from high water to low water
B.tide is rising from low water to high water
C.tide is reaching to a highest level
D.tide is reaching to a lowest level
第3题：
The mometn the author got down to the river bank he saw .
A．the calf was about to fall into the river
B．Ma Shwe was placing the calf on the rock
C．the calf was washed away by the rising water
第4题：
Pay more attention to the rising and falling of （）.
第5题：
Tides are superimposed on nontidal rising and falling water levels，caused by ______．
A.freshets
B.floods
C.river flows
D.seismic events
第6题：
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the ______.
A.air gap
B.freeboard
C.penetration
D.water depth
第7题：
Mean low water is the average height of ______.
A.the surface of the sea
B.high waters and low waters
C.all low waters
D.the lower of the two daily low tides
第8题：
Power station employ ( )water to produce electricity.
A、drop
B、dropping
C、fallen
D、falling
第9题：
In general, a rising intonation is seen as being more impolite that a falling one.（）
A对
B错
第10题：
In general, a rising intonation is seen as being more impolite that a falling one.（）