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【单选题】
The trapped explorers weren't ______ much hope of survival before the rescue team arrived. [     ]
A.
holding back
B.
holding on
C.
holding out
D.
holding up
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【判断题】According to the Boston Consulting Group matrix, question marks are businesses that generate large amounts of cash, but their prospects for future growth are limited?
A.
正确
B.
错误
【判断题】zeros(3,3) will generate a 3 by 3 matrix, in which all elements are 0.
A.
正确
B.
错误
【多选题】山西地区遗存有三座明确纪年断代为五代的木构建筑,以下哪些是呢?( )
A.
平顺龙门寺西配殿
B.
平遥镇国寺万佛殿
C.
繁峙公主寺大雄宝殿
D.
平顺大云院弥陀殿
【单选题】作为二尖瓣瓣叶弹性及活动尚好的间接指标,应注意是否存在
A.
喀喇音
B.
开瓣音
C.
喷射音
D.
叩击音
E.
扑落音
【单选题】著名学者胡绳说:“近代中国在世纪初处于一个社会大变革时期,中国民主主义革命向新民主主义革命转折,这是诸多因素共同作用的结果。”下列诸多因素中起决定作用的是()。
A.
中国民族资本主义的发展
B.
中国无产阶级的壮大
C.
俄国十月革命的影响
D.
马克思主义的传播
【判断题】According to the Boston Consulting Group matrix, question marks are businesses that generate large amounts of cash, but their prospects for future growth are limited? ( )A. √B. ×
A.
正确
B.
错误
【判断题】zero(3,3) will generate a 3 by 3 matrix, in which all elements are 0.
A.
正确
B.
错误
【单选题】女,45岁,劳累性呼吸困难、心悸1年余。体检:心尖区S 1 亢进及二尖瓣开放拍击声,并有舒张中晚期隆隆样递增型杂音,P 2 亢进,超声心动图显示二尖瓣呈城墙样改变,前后叶同向运动,开放受限,瓣口面积为0.8cm 2 。作为二尖瓣瓣叶弹性及活动尚好的间接指标,应注意是否存在()
A.
喀喇音
B.
开瓣音
C.
喷射音
D.
叩击音
E.
扑落音
【单选题】Which function in the following can be used to generate a unit matrix of the specified number of rows and columns?
A.
one
B.
ones
C.
eye
D.
eyes
【单选题】In applying the Matrix, ______________is a quiet important step because this will influence the calculations of relative market share and market growth rate. As a consequence, the company may generate...
A.
analyzing data
B.
collecting data
C.
defining the market
D.
identifying products
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