The traditional Chinese lunar calendar divides the year into 24 solar terms.Grain Rain （谷雨）,as the last term in spring,starts on April 19 and ends on May 4.
Grain Rain comes from the old saying, "Rain brings up the growth of hundreds of grains",which shows that this period of rainfall is very important for the growth of crops.Here\’s something that you may not know about the Grain Rain.
①_____
Grain Rain falls between the end of spring and the beginning of summer,and the temperature rises much higher than it does in March.With dry soil and heavy winds,sandstorms may happen more often.
②_____
There is an old custom in southern China that people drink tea on the day of Grain Rain.Spring tea during Grain Rain is good for the eyes.It is also said that drinking tea on this day would prevent bad luck.
③_____
People in northern China have the tradition to eat the vegetable toona sinensis during Grain Rain.An old saying goes "toona sinensis before the rain is as tender as silk （嫩如丝） ".The vegetable is good for the stomach and skin.
④_____
The Grain Rain Festival is celebrated by fishing villages in northern China.Grain Rain marks the start of the fisherman\’s first voyage （航行） of the year.The custom dates back to more than 2,000 years ago.

（1）The underlined word "crops" refers to ______.
A.plants in the field
B.trees in the forest
C.fishes in the sea
D.animals in the water
（2）The people in southern China ______ on the day of Grain Rain.
A.drink tea.
B.eat toona sinensis
C.start the first voyage
D.eat vegetables
（3）We can infer that "toona sinensis" must be a kind of vegetable which ______.
A.can bring good luck
B.is delicious and healthy
C.grows at the seaside
D.is good for the eyes
（4）The right order of the titles from ①to ④should be ______.
a.Eating Toona Sinensis
b.Sandstorms Happen
c.Grain Rain Festival
d.Drinking Tea
A.b-a-d-c
B.b-c-a-d
C.b-d-a-c
D.b-c-d-a