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【判断题】
“本年利润”账户借方登记由“主营业务收入”、“其他业务收入”、“营业外收入”等账户转来的发生额。
A.
正确
B.
错误
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举一反三
【简答题】结核菌素试验阴性反应有何意义?
【单选题】Victor couldn't speak because he ______.
A.
didn't want to speak
B.
didn't learn to speak
C.
couldn't hear anything
【简答题】已知函数 ,其中 a为 常数. (1)当 时,求 的最大值; (2)若 在区间(0,e]上的最大值为 ,求 a 的值; (3)当 时,试推断方程 = 是否有实数解.
【单选题】— I saw Tony at the party. But he didn't speak to me _____ evening. — Maybe he didn't see you. [     ]
A.
all
B.
every
C.
either
D.
another
【单选题】She _____ an old friend of hers yesterday while she was shopping at the department store. [     ]
A.
turned down
B.
dealt with
C.
took after
D.
came across
【单选题】函数f(x)=e x -x(e为自然对数的底数)在区间[-1,1]上的最大值是(  )
A.
1+
B.
1
C.
e+1
D.
e-1
【多选题】结核菌素试验阴性可见于
A.
未感染过结核
B.
接种麻疹疫苗后
C.
结核菌素试验失败
D.
机体免疫反应低下
E.
初次感染结核4周~8周以内
【单选题】He didn't speak slowly and he didn't speak clearly _______.
A.
neither
B.
either
C.
too
D.
nor
【判断题】结核菌素试验阴性可以肯定排除结核病。( )
A.
正确
B.
错误
【简答题】函数 f(x)=lnx+ x 2 2 在区间[1,e]上的最大值是______.
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