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【单选题】
对同一批试件强度的标准差，下列说法不正确的是（ ）。A.
标准差越大，强度分布的离散性越大
B.
标准差越大，强度平均值越大
C.
标准差越大，施工控制水平越差
D.
标准差的大小不能直接反应强度的高低
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反馈参考答案：
举一反三
【单选题】The passage supports which of the following inferences about breeding among Lycaon pictus?
A.
The largest female in the social group does not maintain reproductive status by means of behavioral control.
B.
An individual’s ability to breed is related primarily to its rate of growth.
C.
Breeding is the only task performed by the breeding female.
D.
Breeding in the social group is not cooperative.
E.
Breeding is not dominated by a single pair of dogs.
【单选题】breeding/breathing
A.
These animals aren't breeding.
B.
These animals aren't breathing.
【简答题】How are the breeding programs going with most animals?
【简答题】The heavily populated area was a breeding place for ________ diseases. A) infectious B) powerful C) influential D) suspicious
【简答题】Breeding a wild plant into a major food crop requires ________.
【简答题】A．dignity B．background C．habit D．breeding
【简答题】真实遗传(true breeding)
【单选题】下列各项中,可能导致企业资产负债变化的经济业务是( )
A.
收回应收账款
B.
以固定资产对外投资（按账面价值作价）
C.
接受所有者投资转入的固定资产
D.
用现金购买债券
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