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【单选题】
该程序功能是当成绩大于等于60时，打印及格。则if后的填空处应填写_______. #include void main( ) { float score; scanf("%f",&score); if ( ) printf("打印及格"); }A.
score>60
B.
score>=60
C.
成绩>60
D.
score≥60
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【单选题】关干受精卵发育与植入正确的是
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