45°所对应的弧度为 A: π/4 B: π/5 C: π/6 D: π/3
45°所对应的弧度为 A: π/4 B: π/5 C: π/6 D: π/3
5/6, 6/11, 11/17, 17/28,( ) A: 28/42 B: 28/43 C: 28/45 D: 28/44
5/6, 6/11, 11/17, 17/28,( ) A: 28/42 B: 28/43 C: 28/45 D: 28/44
[0/45/90]s总共有()层? A: 3 B: 4 C: 5 D: 6
[0/45/90]s总共有()层? A: 3 B: 4 C: 5 D: 6
哪个颜色是冷色()。 A: 2/8 B: 6/45 C: 7/3 D: 8/5
哪个颜色是冷色()。 A: 2/8 B: 6/45 C: 7/3 D: 8/5
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%
下列4组条件中,能判定△ABC∽△DEF的是[ ] [br][/br]A.AB=5,BC=4,∠A=45°;DE=10,EF=8,∠D=45° [br][/br]B.∠A=45°,∠B=55°;∠D=45°,∠F=75° [br][/br]C.BC=4,AC=6,AB=9;DE=18,EF=8,DF=12 [br][/br]D.AB=6,BC=5,∠B=40°;DE=5,EF=4,∠E=40°
下列4组条件中,能判定△ABC∽△DEF的是[ ] [br][/br]A.AB=5,BC=4,∠A=45°;DE=10,EF=8,∠D=45° [br][/br]B.∠A=45°,∠B=55°;∠D=45°,∠F=75° [br][/br]C.BC=4,AC=6,AB=9;DE=18,EF=8,DF=12 [br][/br]D.AB=6,BC=5,∠B=40°;DE=5,EF=4,∠E=40°
基色的作用是盖白发和从钱染深哪个是基色()。 A: 5/6 B: 5/45 C: 5/0 D: 5/22
基色的作用是盖白发和从钱染深哪个是基色()。 A: 5/6 B: 5/45 C: 5/0 D: 5/22
○里最大能填几?○×3<10○×8<45○×5<26○×6<38○×7<50○×4<31○×9<66○×5<47
○里最大能填几?○×3<10○×8<45○×5<26○×6<38○×7<50○×4<31○×9<66○×5<47
程序:char xdata *pX; pX = 0xA0; *pX = 0x80,其中pX是
程序:char xdata *pX; pX = 0xA0; *pX = 0x80,其中pX是
Which flight am I going to take A: Flight 487 leaving at 4:56 pm. B: Flight 347 leaving at 6:45 pm. C: Flight 437 leaving at 6:45 pm. D: Flight 477 leaving at 5:40 pm.
Which flight am I going to take A: Flight 487 leaving at 4:56 pm. B: Flight 347 leaving at 6:45 pm. C: Flight 437 leaving at 6:45 pm. D: Flight 477 leaving at 5:40 pm.