People remember Liu Xiang as a world-record holder who lived uptheir expectations when he beat this own record at the Asian Games.
A. to
B. at
C. about
D. in
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下列属于离散型随机变量的分布的为
A. 两点分布
B. 二项分布
C. 泊松分布
D. 几何分布
E. 超几何分布
F. 0-1分布
Thethoughtofgoingbackhomewas_____kepthimhappywhilehewasworkingabroad.
A. that
B. allthat
C. allwhat
D. which
Icanthinkofmanycases_______studentsobviouslyknewalotofEnglishwordsandexpressionsbutcouldn'twriteagoodessay.
A. why
B. which
C. as
D. where
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