He looks （） he were ill.

A.because

B.for

C.as if

D.as

A.were

B.is

C.will be

D.has been

He is over fifty, but he looks as though he()only In his thirties.

A were

B is

C will be

D has been

A.A. were

B.B. is

C.C. has been

D.D. will be

__ only in his thirties.

选择一项：

A. will be

B. is

C. has been

D. were

came along. There were buttons and button-holes, hooks and eyes, laces and buckles. They all took an irritatingly long time to do up, especially when men wore high-laced boots and fashionable ladies squeezed themselves into long corsets. Whitecomb L.Judson’s slide-fastener was an out-of-the-blue invention, and no one knows what gave him the idea. No one even knows much about him, except that he was a mechanical engineer living in Chicago and that he patented other inventions, to do with a street railway system and motor-cars. Judson invented the first zipper(called, at the time, a Clasp Locker or Unlocker)in 1891. This ingenious little device looks so simple, and the principle behind it is simple: one row of hooks and eyes slotting neatly into another row by means of a tab. Yet it took 22 years, many improvements and another inventor to make the zipper really practical.

The word "ingenious" means ()

A、clever

B、admirable

C、important

D、useful

tention. You are supposed to look at a 【21】______ just enough to show that you're 【22】______ of his presence. If you look too little, you appear arrogant or furtive (鬼鬼祟祟的), too much, 【23】______ you're inquisitive. Usually what happens is that people 【24】______ each other until they are about eight feet 【25】______ , at which point both cast down their eyes. Sociologist Dr. Erving Goffman 【26】______ this as "a kind of dimming of lights."

Much of eye behavior. is so 【27】______ that we react to it only on the intuitive level. The next time you have a 【28】______ with someone who makes you feel liked, notice what he does with his eyes. 【29】______ are he looks at you more often than is usual with 【30】______ a little longer than the normal. You interpret this as a sign of a polite one 【31】______ he is interested in you as a person 【32】______ just in the topic of conversation. Probably you also feel that he is both 【33】______ and sincere.

All this has been demonstrated in elaborate 【34】______ . Subjects sit and talk in the psychologist's laboratory, 【35】______ of the fact that their eye behavior. is being 【36】______ from a one-way vision screen. In one fairly typical experiment, 【37】______ were induced to cheat while performing a task, then were 【38】______ and observed. It was found that those who had 【39】______ met the interviewer's eyes less often than was 【40】______ , an indication that "shifty eyes" to use the mystery writers' stock phrase can actually be a tip-off to an attempt to deceive or to feelings of guilt.

【21】

A．friend

B．foreigner

C．passerby

D．stranger