When determining the date of shipment, "on or about June 11th" refer to ( ). A: June 6~17 B: June 6~16 C: June 7~17 D: June 7~16
When determining the date of shipment, "on or about June 11th" refer to ( ). A: June 6~17 B: June 6~16 C: June 7~17 D: June 7~16
每年的()月是全国安全生产月,2018年是全国第()个安全生产月。 A: 6 16 B: 5 17 C: 6 17 D: 7 16
每年的()月是全国安全生产月,2018年是全国第()个安全生产月。 A: 6 16 B: 5 17 C: 6 17 D: 7 16
All children in the UK must, by law, receive a full-time education from the age of _____ to _____. A: 5, 16 B: 6, 17 C: 5, 17 D: 6, 18
All children in the UK must, by law, receive a full-time education from the age of _____ to _____. A: 5, 16 B: 6, 17 C: 5, 17 D: 6, 18
某班30名学生,他们的年龄如下:16 18 15 17 17 19 16 17 18 1717 17 16 16 15 17 17 16 17 1718 17 16 17 17 16 18 17 17 16
某班30名学生,他们的年龄如下:16 18 15 17 17 19 16 17 18 1717 17 16 16 15 17 17 16 17 1718 17 16 17 17 16 18 17 17 16
11、6、13、8、()、10 A: 15 B: 16 C: 17 D: 18
11、6、13、8、()、10 A: 15 B: 16 C: 17 D: 18
What was Michael's personal best record before he set a new national record? A: 17 feet 6½ inches B: 17 feet 6 inches C: 17 feet D: 16 feet 9 inches
What was Michael's personal best record before he set a new national record? A: 17 feet 6½ inches B: 17 feet 6 inches C: 17 feet D: 16 feet 9 inches
FORI=2,TO17STEP2.5的循环次数是() A: 6 B: 7 C: 16 D: 17
FORI=2,TO17STEP2.5的循环次数是() A: 6 B: 7 C: 16 D: 17
45、瓦斯爆炸的浓度界限约为( )。 A: 4~15% B: 5~16% C: 6~17%
45、瓦斯爆炸的浓度界限约为( )。 A: 4~15% B: 5~16% C: 6~17%
教材(第5版)P241:2(1,2,5)、4、6、7、13、14、15、16/17
教材(第5版)P241:2(1,2,5)、4、6、7、13、14、15、16/17
空气中瓦斯浓度达()时,遇火就会发生爆炸。 A: 4%~15% B: 5%~15% C: 5%~16% D: 5%~17% E: 6%~16%
空气中瓦斯浓度达()时,遇火就会发生爆炸。 A: 4%~15% B: 5%~15% C: 5%~16% D: 5%~17% E: 6%~16%