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【单选题】
在发动机部分负荷、车辆正常行驶时,三元催化器的工作温度大约是( ) 。(I)
A.
250℃左右
B.
350℃左右
C.
650℃左右
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【判断题】无论线性回归模型有无常数项和有多少个解释变量,总平方和的自由度总为n-1,其中n为样本容量。
A.
正确
B.
错误
【单选题】比例尺分别为1:1000、1 2000、15000地形图的比例尺精度分别
A.
1m,2m,5m
B.
0.001m ,0.002m,0.005m
C.
0.01m,0.02m,0.05m
D.
0.1m,0.2m,0.5m
【单选题】市场营销组合(4Ps)的内容包括
A.
成本要素、资金要素、设备要素、时机要素
B.
资金要素、技术要素、人员要素、产品要素
C.
产品要素、渠道要素、价格要素、促销要素
D.
品牌要素、广告要素、市场要素、关系要素
【判断题】一些重要的节日庆典、礼仪活动也需要创造一个符合其内容的环境氛围,如大型游园活动的平面布局、会徽标志、植物陈设都属于展示设计的范围。灯光彩旗不属于展示设计。
A.
正确
B.
错误
【单选题】比例尺分别为1:1000、1:2000、1:000地形图的比例尺精度分别为()。
A.
1m,2m,5m
B.
0.001m,0.002m,0.005m
C.
0.01m,0.02m,0.05m
D.
0.1m,0.2m,0.5m
【单选题】After some disappointments and anxieties, he created the now classic character of “the little tramp.” From his very first appearance, the little man brought laughter to people’s faces. With his black ...
A.
He was a little man with his black moustache, wide-open eyes, round black hat and shoes too large for his feet.
B.
He often makes all kinds of stupid mistakes.
C.
Even though he was always in trouble, he dreamed of greatness.
D.
The little tramp was different from the cold, homeless poorly-dressed child who refused to despair.
【判断题】1949年10月,新中国诞生,标志中国共产党在政治上开始走向成熟。
A.
正确
B.
错误
【单选题】24
A.
U.S. psychologists first developed the theory.
B.
It was developed in the 1980s.
C.
Oxford provided the fund on the study.
D.
Not everyone who takes the course finds it helpful.
【单选题】市场营销组合(4Ps)的内容包括
A.
产品要素、渠道要素、价格要素、促销要素
B.
成本要素、资金要素、设备要素、时机要素
C.
资金要素、技术要素、人员要素、产品要素
D.
品牌要素、广告要素、市场要素、关系要素
【判断题】山羊肉的品质好于绵羊肉
A.
正确
B.
错误
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