问题 单项选择题

()的电压源可以并联。

A.电压值相等、方向相反

B.电压值相等、方向一致

C.电压值不等、方向一致

D.电压值不等、方向相反

答案

参考答案:B

选择题
完形填空

When I was a teenager, my dad did everything he could do to advise me against becoming a brewer(造酒人). He’d  36   his life brewing beer for local breweries only to make a living, ___37    had his father and grandfather befere him. He didn’t want me  38   near a vat(酿酒用的桶)of beer. So I did as he asked. I got good ___39  , went to Harvard and in 1971 was accepted into a graduate program there that  40   me to study law and business at the same time.

In my second year of graduate school, I began to realize that I’d  41   done anything but go to school. So, at  24 I decided to drop out. 42  , my parents didn’t think this was a great idea. But I felt strongly that you can’t  43__   till you’re 65 to do what you want in life.

I packed my stuff into a bus and headed for Colorado to become an instructor at Outward Bound. Three years later, I was ready to go back to  44  . I finished Havard and got a highly-paid job at the Boston Consulting Group Still, after working there five years, I  45  ,  “Is this what I want to be doing when I’m 50?”  At that time, Americans spent good  money on beer in  46    quality. Why not make good beer for  47  ? I thought.

I decided to give up my job to become  48  . When I told Dad, he was  49  , but in the end he  50   me. I called my beer  Samuel Adams,   51   the brewer and patriot(爱国者) who helped to start  the Boston Tea Party.  52   I sold the beer direct to beer drinkers to get  the   53   out. Six weeks later, at the Great American Beer Festival, Sam Adams Boston Lager(淡啤酒) won the top prize for American beer. In the end I was destined(注定) to be a brewer. My  54   to the young is simple:Life is very  55  , so don’t rush to make decisions. Life doesn’t let you plan.  

36.A.cost B.spent    C.taken   D.paid

37.A.like B.as if     C.so D.nor

38.A.anywhere       B.anyway       C.anyhow       D.somewhere

39.A.habits     B.teachers       C.grades  D.work

40.A.promised       B.convinced    C.advised       D.allowed

41.A.never     B.ever     C.always D.hardly

42.A.Fortunatnely  B.Obviously   C.Possibly      D.Surprisingly

43.A.assure     B.decline C.deny    D.wait

44.A.school    B.Colorado     C.my home     D.my decision

45.A.thrilled   B.stressed       C.wondered    D.sneezed

46.A.cheap     B.expensive    C.low      D.high

47.A.Englishmen   B.Europeans   C.the world    D.Americans

48.A.a lawyer B.a brewer      C.an instructor       D.an engineer

49.A.astonished      B.satisfied      C.interested    D.anxious

50.A.hated      B.supported    C.raised   D.left

51.A.for  B.at C.in D.after

52.A.Therefore      B.Otherwise    C.Also    D.Yet

53.A.price      B.name   C.company     D.party

54.A.advice    B.life      C.job      D.experience

55.A.hard       B.busy    C.short    D.long