申请船员注册,应当年满18周岁(在船实习、见习人员年满______周岁)但不超过______周岁。 A: 16/60 B: 16/65 C: 17/65 D: 17/60
申请船员注册,应当年满18周岁(在船实习、见习人员年满______周岁)但不超过______周岁。 A: 16/60 B: 16/65 C: 17/65 D: 17/60
【单选题】已知四边形ABCD中有四个条件:AB//CD,AB=CD,BC//AD,BC=AD,从中任选两个,不能使四边形ABCD成为平行四边形的选法是() A. AB//CD,AB=CD B. AB//CD,BC//AD C. AB//CD,BC=AD D. AB=CD,BC=AD
【单选题】已知四边形ABCD中有四个条件:AB//CD,AB=CD,BC//AD,BC=AD,从中任选两个,不能使四边形ABCD成为平行四边形的选法是() A. AB//CD,AB=CD B. AB//CD,BC//AD C. AB//CD,BC=AD D. AB=CD,BC=AD
2.How manypeople are attracted by the style of our products? A: 16% B: 60% C: 17% D: 70%
2.How manypeople are attracted by the style of our products? A: 16% B: 60% C: 17% D: 70%
A.More than 16 bills.B.More than 60 bills.C.More than 17 bills.D.More than 70 bills. A: More than 16 bills. B: More than 60 bills. C: More than 17 bills. D: More than 70 bills.
A.More than 16 bills.B.More than 60 bills.C.More than 17 bills.D.More than 70 bills. A: More than 16 bills. B: More than 60 bills. C: More than 17 bills. D: More than 70 bills.
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
公式化简:Y=A'(CD'+C'D)+BC'D+AC'D+A'CD'
公式化简:Y=A'(CD'+C'D)+BC'D+AC'D+A'CD'
如图,AD与BC相交于点O,AB∥CD,若∠B=30°,∠D=60°,则∠BOD=( )度。
如图,AD与BC相交于点O,AB∥CD,若∠B=30°,∠D=60°,则∠BOD=( )度。
如图,由∠1=∠2,则可得出( ) A: AD∥BC B: AB∥CD C: AD∥BC且AB∥CD D: ∠3=∠4
如图,由∠1=∠2,则可得出( ) A: AD∥BC B: AB∥CD C: AD∥BC且AB∥CD D: ∠3=∠4
60㎏/m钢轨的构造轨缝是(C)㎜() A: 16 B: 17 C: 18 D: 20
60㎏/m钢轨的构造轨缝是(C)㎜() A: 16 B: 17 C: 18 D: 20
如图所示,在△ABC中,AC=10,BC=17,CD=8,AD=6。求(1)BD的长;(2)△ABC的面积。
如图所示,在△ABC中,AC=10,BC=17,CD=8,AD=6。求(1)BD的长;(2)△ABC的面积。