题目内容

简述经纪人的概念及其种类。

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对公用企业实施的限制竞争行为，由企业所在地市，县工商行政管理机关查处。

A. 对
B. 错

Questions 47 to 56 are based on the following passage. It’s the first question parents ask when their child is diagnosed with autism (自闭症). Will his future brothers or sisters have a higher risk of 47 it, too According to the largest study of siblings (兄弟姐妹) in families with autism, the answer is yes. Among 664 children who had at least one older sibling with the developmental disorder, the 48 risk of autism was nearly 19%, 49 higher than previous sibling-recurrence estimates that were anywhere from 3% to 10%. Kids with more than one older autistic sibling had an even higher risk of the disorder: 32%. The 50 suggest that genes play a key role in autism risk. But they also hint that other environmental factors 51 by siblings, like influences in the womb (子宫), may be important as well. On the 52 of the findings, the researchers recommend that doctors closely 53 younger siblings of autistic children to pick up any early signs of the disorder, 54 an unusually large head or delayed language development and communication skills. Evidence suggests that early 55 and diagnosis of autism can help children take advantage of therapies that can treat some of its 56. 48（）

A. average
B. basis
C. common
D. consequently
E. detection
F. developing
G. distributed
H. dramatically
I. including
J. monitor
K. reason
L. results
M. shared
N. symbols
O. symptoms

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50（）

A. Second, I could lower my blood cholesterol level simply by changing what I ate.
B. I was three years old at that time.
C. There is not enough oxygen in the blood.
D. It was a heart attack just waiting to happen
E. The trial was designed to test the effect of lowering blood cholesterol on the risk of heart disease.
F. The death rate for the test was only 1 in 100, I was assured.

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Passage One Questions 26 to 29 are based on the conversation you have just heard. Where are goods with a high profit margin usually found?（）

A. On the top shelves.
B. On the bottom shelves.
C. On easily accessible shelves.
D. On clearly marked shelves.

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