【简答题】销售产品一批,售价100 000元,收回货款80 000元,已存入银行,余款尚未收到。
【单选题】甜蜜素、安赛蜜、阿斯巴甜、三氯蔗糖等属于( )
【简答题】短文填空 On October 5, 2015, Tu Youyou was awarded the Nobel Prize in Physiology or Medicine for her role in creating a drug that helped cure malaria ( 疟疾 ), saving millions of lives. After (1) ________ (...
【单选题】关于尺寸公差,正确的说法是:
A.
Φ10孔的上极限尺寸(最大极限尺寸)是10.015mm
B.
Φ10孔若加工测量得尺寸为10.018mm,则零件合格
C.
Φ10孔若加工测量得尺寸为10mm,则零件不合格
D.
Φ10孔若加工测量得尺寸为9.98mm,则零件合格
【单选题】大豆播种一般播深()厘米,覆土均匀一致。
【单选题】It was in 1969 __________ the American astronaut succeeded in landing on the moon.