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【简答题】
()指过去的交易或事项形成的现时义务,履行该义务预期会导致经济利益流出家庭单位。
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皮皮学刷刷变学霸
举一反三
【单选题】设 与 分别为任意两个随机变量的分布函数,令 ,则下列各组数中能使 为某随机变量的分布函数的有( )。
A.
a=3/5,b=2/5
B.
a=2/3,b=2/3
C.
a=3/2,b=1/2
D.
a=1/2,b=3/2
【判断题】缓动继电器衔铁动作时间小于0.3s
A.
正确
B.
错误
【简答题】用单词的适当形式填空。 1. It was difficult  ________(build) the railroad for us. 2. What's ________ (he) name ? 3. Are those ________ (girl) your ________ (classmate) ? 4. He ________ (wave) to me and smiled . 5...
【简答题】It was difficult to ________ how many people had been wounded in the earthquake. 6. I _________ a letter of complaint to the manager of the store as soon as I found they sold me a pair of mismatched s...
【单选题】设F1(x)与F2(x)分别为任意两个随机变量的分布函数,令F(x)=aF1(x)+bF2(x),则下列各组数中能使F(x)为某随机变量的分布函数的有( ).
A.
a=3/5,b=2/5
B.
a=2/3,b=2/3
C.
a=3/2,b=1/2
D.
a=1/2,b=3/2
【单选题】一列快车从甲地驶往乙地,一列特快车从乙地驶往甲地,快车的速度为100千米/小时,特快车的速度为150千米/小时,甲乙两地之间的距离为1000千米,两车同时出发,则图中折线大致表示两车之间的距离y(千米)与快车行驶时间(小时)之间的函数图象是(  )
A.
B.
C.
【简答题】完型填空。 Jack lost (丢失) his job last week. It was difficult for him to find another 1 . 2 told him that it was possible to get a new one in a town two hundred kilometers 3 . He decided to get there 4 . S...
【简答题】compensate regulate estimate fire off 5. It was difficult to ________ how many people had been wounded in the earthquake. 6. I _________ a letter of complaint to the manager of the store as soon...
【判断题】“所得税费用”账户与“应交税费”账户一样,都是负债类账户。
A.
正确
B.
错误
【简答题】The window were replaced last week during routine _______ (maintain). 2. I would like to express my ______ (appreciate) and thanks to you all. 3. I’ve always understood one should try and be ______ (c...
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