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【单选题】
Please tell my friend your interesting experience exactly _______you have told it to me. [     ]
A.
as
B.
that
C.
the same as
D.
and
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【简答题】简述光面爆破和预裂爆破的概念及区别。
【单选题】在R上,下列函数为有界函数的是
A.
;
B.
1+sinx;
C.
lnx;
D.
tanx.
【单选题】已知定义域为D的函数f(x),若对任意x∈R,存在正数M,都有|f(x)|≤M成立,则称函数f(x)是定义域D上的“有界函数”,已知下列函数:①f(x)=sinx·cosx+1;② ;③f(x)=1-2 x ;④ ,其中“有界函数”的个数是 [     ]
A.
1
B.
2
C.
3
D.
4
【简答题】Maggie Walker was born in 1867 in Richmond, Virginia. Her mother was once a slave in a rich woman's house. When Maggie was very young, a thief killed her father. Her family was impoverished, so Maggie...
【判断题】课题研究总结工作是撰写结题报告的前提。( )
A.
正确
B.
错误
【简答题】Choose an appropriate article :Her teacher was born in_______town of Williamson.A. the B. a C. /
【单选题】在R上,下列函数为有界函数的是( )
A.
ex
B.
1+sinx
C.
lnx
D.
tanx
【简答题】EXERCISE 9A Fill in each blank with an appropriate article (including ZERO): 1.They told me that they had____respect for their employer. 2.Benita enjoys wearing____jewelry. 3.This is____first time tha...
【简答题】范德瓦耳斯方程的另一种推导方法是作平均场近似.设气体的哈密顿量为 今假设第i个分子所受其他分子的相互作用可以用平均场 来近似表达,即H近似用下列平均场哈密顿量代替: 现作为对平均场的进一步简化,假设 取下列形式: 其中 是一常数.上述互作用势相当于直径为r 0 的刚球,在r>r 0 时互作用势为常数. (i)证明正则系综的配分函数为 提示: ,V 0 代表由于刚球不可入、在空间积分时应从总体积中扣...
【简答题】Fill in each blank with an appropriate article (including ZERO, 零冠词用 0 表示): They told me that they had _____ respect for their employer. Benita enjoys wearing ______jewelry. This is the first time tha...
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