【单选题】Tides are created mainly by the pull of the moon on the earth. The moon's pull causes water in the oceans to be a little deeper at a point closest to the moon and also at a point farthest from the moo...
A.
Some coastlines do not have two tides each day.
B.
Tides usually rise to the same level day after day.
C.
Tides are not affected by the shape of a coastline.
D.
The sun has as much effect on tides as does the moon.
【简答题】用所给词的适当形式填空。 1. We need _____ (wear) warm clothes in winter. 2. There_____ (be)a little water in the glass. 3. Who is the _____ (good) in English in your class? 4. Jim is now' much _____ (happy) t...