Don’t worry. There is ______ room for all your books here. A、 moreB、 muchC、enoughD、 some
Don’t worry. There is ______ room for all your books here.
A、 more
B、 much
C、enough
D、 some
相关考题:
Let’s ___ play in the street . Father tells me ____ do so.A. not to ….. not toB. not …not toC. don’t , to notD. not to …don’t
有关ALL以下说法正确的是A、免疫学分型将T细胞ALL分为4个亚型B、免疫学分型将B细胞ALL分为3个亚型C、仅10%ALL患者可检出克隆性核型异常相关性D、除ALL L3型以外,ALL的免疫学亚型与FAB亚型之间无相关性E、免疫学分型将ALL分为T细胞ALL、B细胞ALL和T、B细胞混合性ALL
3.Jack _______like baseball ________volleyball.A. don't ; orB. doesn't ; orC.don't ;andD.doesn't ;and
Must I stay at the office this afternoon? ---No, you ______.A、don’tB、needn’tC、don’t needD、can’t
-- Ann is in hospital.-- Oh, really? I __ know. I __ go and visit her.A. didn’t; am going to B. don’t; wouldC. don’t; will D. didn't; will
有关ALL以下说法正确的是A.免疫学分型将T细胞ALL分为4个亚型B.免疫学分型将B细胞ALL分为3个亚型C.仅10%ALL患者可检出克隆性核型相关性D.除ALL-L3型外,ALL的免疫学亚型与FAB亚型之间无相关性E.免疫学分型将ALL分为T系ALL,B系ALL,T、B细胞混合型ALL
有关ALL以下说法正确的是A.免疫学分型将T细胞ALL分为4个亚型B.免疫学分型将B细胞ALL分为3个亚型C.仅10% ALL患者可检出克隆性核型相关性D.除ALL-L型外,ALL的免疫学亚型与FAB 亚型之间无相关性E.免疫学分型将ALL分为T系ALL,B系 ALL,T、B细胞混合型ALL
有A和B两个公共列的数据框,如何用merge()函数按A数据框将A,B两个数据框合并A.merge(A,B,all=T)B.merge(A,B,all.x=T)C.merge(A,B,all.y=T)D.cbind(A,B)