Whenreportcardsweredistributedinacertainhomeroomclass,itwasfoundthat13studentsreceivedatleastonegradeofA,15studentsreceivedatleastonegradeofB,and6studentsreceivedbothAsandBs.Ifone-thirdofthestudentsinthehomeroomclassreceivednoAsandnoBs,howmanystudentsareinthehomeroomclass?
A: 27
B: 30
C: 33
D: 36
E: 39
A: 27
B: 30
C: 33
D: 36
E: 39
举一反三
- 冬季婴儿盆浴的水温约为（ ） A: 27~28℃ B: 30~32℃ C: 33~34℃ D: 34~36℃ E: 38~39℃
- 水中运动的最佳温度是（ ）。 A: 15~28℃ B: 28~33℃ C: 34~36℃ D: 36~38℃ E: 39~45℃
- %31%30%37%2C%31%30%31%2C%31%32%31%2C%35%38%2C%38%33%2C%37%39%2C%36%39%2C%36%35%2C%38%33%2C%38%39%2C%36%37%2C%37%39%2C%36%38%2C%36%39看得懂吗?看不懂就看着办吧!
- 我国现行的所得税税率有()。 A: 18%. B: 27%. C: 6%. D: 33%. E: 13%.
- （）伊丽莎白·泰勒获得哪两届奥斯卡最佳女主角金像奖？ A: 30 B: 33 C: 36 D: 39 E: 42