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【简答题】
已知函数 f(x)=lnx- 1 2 a x 2 -2x （1）若函数f（x）在x=2处取得极值，求实数a的值； （2）若函数f（x）在定义域内单调递增，求实数a的取值范围．
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举一反三
【单选题】When anthropologists refer to culture, they refer to the social legacy that one___from his or her group.
A.
acquires
B.
inquires
C.
requires
D.
conquers
【简答题】We use "a mouthful of beer " to refer to the beer we put in our mouth at one time. Likewise, we can use"______"to refer to the ice cream we can use a spoon to scoop at one time.
【单选题】The phrase black market used to refer to a market for illegal dealings, and now it can be further metaphorized to refer to any secret, illegal dealings. This meaning is transferred from one to another...
A.
nature
B.
domain
C.
period
D.
race
【多选题】甲国某公司欲向中国法院申请承认并执行一项在甲国境内作出的仲裁裁决。中国与甲国均为《承认与执行外国仲裁裁决公约》成员国。关于该裁决的承认和执行，下列哪些选项是正确的______
A.
甲国公司应通过甲国法院向被执行人住所地或其财产所在地的中级人民法院申请
B.
如该裁决系临时仲裁庭作出的裁决，人民法院不应承认与执行
C.
如承认和执行申请被裁定驳回，甲国某公司可向人民法院起诉
D.
如甲国公司仅申请承认而未同时申请执行该裁决，人民法院仅对应否承认进行审查并作出裁定
【单选题】In English, people usually refer to one thing by means of speaking another thing but they are in the same category. For example, we can say "A young man feels sad about this accident," but we also can...
A.
a cat.
B.
a dog
C.
Bottom
D.
Titania
【简答题】Details about the ownership of the company refer to one part of a business plan - ________. (首字母大写)
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