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【单选题】
动脉粥样硬化与矿物质的关系叙述不正确的是( )。A.
补充铬可提高高密度脂蛋白浓度
B.
铅是心血管疾病发生的危险因素
C.
锌过多可增加血清胆固醇含量
D.
铜过多可增加血清胆固醇含量
E.
镉对心血管疾病发生有促进作用
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举一反三
【单选题】从"图书"表中查找出"计算机"类定价最高的前两条记录,正确的SQL命令是
A.
SELECT TOP 2 * FROM 图书 WHERE 类别="计算机" GROUP BY 定价
B.
SELECT TOP 2 * FROM 图书 WHERE 类别="计算机" GROUP BY 定价 DESC
C.
SELECT TOP 2 * FROM 图书 WHERE 类别="计算机" ORDER BY 定价
D.
SELECT TOP 2 * FROM 图书 WHERE 类别="计算机" ORDER BY 定价 DESC
【简答题】The front side of the house has a(n) _____ (对称的)arrangement of windows and doors, with the main door in the center, a side door and two windows on each side.
【简答题】The front side of the house has a(n) _________ (symmetrical) arrangement of windows and doors, with the main door in the center, a side door and two windows on each side.
【简答题】（）是目前应用最多的基本授课方法，其教材数量最多，内容最广泛、最丰富。
【单选题】Remember to do this in time of H1N1 --- constantly the windows to let fresh air enter and move around inside, and avoiding the access to the crowds, a necessity everyday.
A.
open
B.
we open
C.
opening;
D.
to open
【单选题】从"图书"表中查找出"计算机"类定价最高的记录对应的图书编号,正确的SQL命令是:
A.
SELECT TOP 1 图书编号 FROM 图书 WHERE 类别="计算机" GROUP BY 定价
B.
SELECT TOP 1 图书编号 FROM 图书 WHERE 类别="计算机" GROUP BY 定价 DESC
C.
SELECT TOP 1 图书编号 FROM 图书 WHERE 类别="计算机" ORDER BY 定价 ASC
D.
SELECT TOP 1 图书编号 FROM 图书 WHERE 类别="计算机" ORDER BY 定价 DESC
【单选题】The front side of the house has a(n) ________ arrangement of windows and doors, with the main door in the center, a side door and two windows on each side.
A.
explanatory
B.
symmetrical
C.
analytical
【简答题】'Eyes are windows of the soul.' Everyone knows the of the eyes. more and more students are becoming near-sighted(近视). So how to protect the eyes is still a serious problem. Here is some advice on prot...
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