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【简答题】
After the match all the players became (relax). 2. The number of teachers in this school (be) a 1. After the match all the players became (relax). 2. The number of teachers in this school (be) about one hundred. 3. A group of (German) are talking with two ( American). 4. The (Black)will make a trip around the world during the summer holiday. 5. In the morning many people get up early and do sports to keep (health). 6. You can use my pen.I can use (her). 7. Keep (smile)and have a happier, healthier and better life. 8. Could you tell me what time he (come)tomorrow? 9. Please let me know as soon as he (come) here tomorrow. 10. There ( be) great changes in our city since 1980.
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【简答题】Business letters are written in 5 common forms, they are full-blocked, , , and simplified.
【单选题】在提出假设 , , 进行参数的假设检验时 , 所犯的第 I 类错误是指( )
A.
H 0 为真且接受 H 0
B.
H 0 不真但接受 H 0
C.
H 0 为真但拒绝 H 0
D.
H 0 不真且拒绝 H 0
【简答题】Different from the full-blocked format, the blocked format requires that the date of the writing, the complementary close, the signature as well as the title of the sender are located in of the letter...
【单选题】均质圆轮的质量为 m ,半径为 R ,它在水平面上滚动而不滑动,其轮心 O 的加速度为 ,方向如图所示, C 点为轮的速度瞬心。圆轮惯性力系简化的结果是 ( ) 。
A.
F I = ma 0 （ ¬ ，加在 C 点） M I = mRa 0 /2 （逆时针向）
B.
F I = ma 0 （ ¬ ，加在 O 点） M I = mRa 0 /2 （逆时针向）
C.
F I = ma 0 （ ¬ ，加在 O 点） M I =3 mRa 0 /2 （逆时针向）
D.
F I = ma 0 （ ¬ ，加在 C 点） M I = 1 mRa 0 /2 （顺时针向）
【单选题】在二个框架Frame中各有一组单选按钮OptionButton,其作用为
A.
两组单选按钮中只有一个能被选中
B.
因有两组单选按钮，无一可被选中
C.
两组单选按钮中各有一个能被选中
D.
两组单选按钮中各有一个以上的能被选中
【简答题】词汇翻译(英译汉) full blocked style
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