美国的内阁设有教育部,我国中央国家机关也设有教育部,二者的根本区别在于
A.履行的职能不完全相同
B.履行职能的方式不同
C.组成结构不同
D.维护的阶级利益不同
答案:D
情景对话。
A: Good moring, Mr Green!
B: Good moring. What's your 1. , please?
A: My name is Li Ming. 2. are you, Mr Green?
B: Fine, thanks. 3. you?
A: I'm fine, 4. Thank you.
B: What 5. are you in?
A: I'm in Grade Two.
B: Are you in Class 3?
A: 6. . I'm in Class 1.
B: How 7. are you?
A: I'm eleven.
B: 8. do you go to school?
A: By bike.
B: By the way, is this 9. key to the bike?
A: Yes, it's mine. Thank you.
B: You're 10. .
万有引力定律是科学史上最伟大的定律之一,在天体运动中起着决定性的作用.设在太空中存在三个可视为质点的星球A、B、C,已知三者的质量比mA:mB:mC=1:2:3,A与C间的距离是B与C间距离的两倍,已知A与C的引力大小为F,则B与C间的引力大小为( )
A.4F
B.2F
C.8F
D.F