[单项选择]--Will another ten be enough
--Just twenty will


A. work
B. give
C. fit
D. do

[单项选择]Why do sharks normally swim between ten and twenty miles off the coast of Britain
A. They prefer warm water to cold water.
B. They see best in deep water.
C. They are afraid of man.
D. That is where their food is.

[单项选择]Only ten to twenty percent of cold viruses are transmitted by carriers, who, sneezing and coughing, ______ the viruses into the air.


A. spray
B. sprinkle
C. spread
D. sprout

[单项选择]

About twenty of us had been fortunate enough to receive invitation to a film studio(摄影间) to take part in a crowd-scene. Although our "act" would only (61) for three minutes in all, we were given the (62) to see quite a number of interesting things. We all stood (63) the far end of the studio (64) workmen preparing the scene which was to be filmed. Very (65) , bright lights were turned on and the path was covered with (66) looked like salt. The producer of the film shouted something to the camera-operator. (67) waved his hand in (68) and went to speak to the two famous actors who were standing (69) . Since it was hot in the studio, (70) came as a surprise to us to see one of the actors (71) a heavy over coat. He pulled a hat down (72) his eyes, put his hands in his pockets, and started walking (73) the path. A big fan began (74) tiny white feathers down on him, and soon the
A. against
B. throughout
C. for
D. along