问题
选择题
抗体是由下列哪种细胞产生的[ ]
A.B细胞
B.T细胞
C.浆细胞
D.记忆细胞
答案
答案:C
抗体是由下列哪种细胞产生的[ ]
A.B细胞
B.T细胞
C.浆细胞
D.记忆细胞
答案:C
完形填空。 | |||
The Price of a Dream I grew up poor-living with my wonderful mother.We had little money,but plenty of love and attention.I was 1 and energetic.I understood that no matter how poor a person was,he could still 2 a dream. My dream was 3.By the time I was sixteen,I started playing baseball.I could throw a ninety-mile-per-hour fastball and 4 anything that moved on the football field.I was also 5 :my high school coach was John,who not only believed in me,but also taught me 6 to believe in myself.He 7 me the difference between aving a dream and remaining true to that dream.One particular 8 with Coach John changed my life forever. A friend recommended me for a summer job.This meant a chance for money in my pocket money for a new bike,new clothes and the 9 of savings for a house for my mother. Then I realized I would have to 10 up summer baseball to handle the work schedule,and meant I would have to tell John I wouldn't be playing. When I told John,he was 11 as I expected him to be."You have your whole life to work," he said,"Your 12 days are limited.You can't afford to waste them." I stood before him with my head 13,trying to think of the 14 that would exp ![]() mom a house and having money in my pocket was worth facing his 15 in me. "How much are you going to make at this job,son?" he asked."3.5 dollars an hour," I replied. "Well," he asked,"is $3.5 an hour the price of a dream?" That simple question made 16 for me the difference between 17 something right now and having a 18.I decided myself to play sports that summer and 19 the year I was hired by the Pittsburgh Pirates to play baseball,and was 20 a $20 000 contract(合同).In 1999,I bought my mother the house of my dream! | |||
( )1.A.happy ( )2.A.live ( )3.A.athletics ( )4.A.kick ( )5.A.right ( )6.A.how ( )7.A.gave ( )8.A.accident ( )9.A.aim ( )10.A.keep ( )11.A.mad ( )12.A.living ( )13.A.moving ( )14.A.answers ( )15.A.sadness ( )16.A.direct ( )17.A.wanting ( )18.A.wish ( )19.A.by ( )20.A.paid | B.polite B.afford B.music B.play B.popular B.why B.taught B.matter B.idea B.end B.mournful B.playing B.nodding B.excuses B.regret B.clear B.changing B.goal B.for B.got | C.shy C.make C.business C.pass C.lucky C.when C.brought C.problem C.start C.give C.frightened C.working C.shaking C.words C.hopelessness C.straight C.dreaming C.score C.over C.offered | D.honest D.need D.money D.hit D.confident D.whether D.asked D.experience D.purpose D.pick D.shameful D.learning D.hanging D.ways D.disappointment D.bare D.enjoying D.desire D.with D.presented |