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【单选题】
机械挖土方工程量,按机械实际完成工程量计算。机械挖不到的地方,用人工修边坡、整平的土方工程量按人工( )定额执行,人工乘以系数2。
A.
平整场地
B.
挖沟槽
C.
挖基坑
D.
挖一般土方
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举一反三
【判断题】湖水的“水华”或海水中的“赤潮”是由于水体中可溶性磷酸盐的浓度过高。
A.
正确
B.
错误
【判断题】湖水的“水华”或海水中的“赤潮”是由于水体中可溶性磷酸盐的浓度过高,造成水体的富集营养化而出现的一种大面积环境污染现象。
A.
正确
B.
错误
【单选题】When a new kind of cooking oil is used in McDonald's,______.
A.
the prices of McDonald's foods will be much higher
B.
consumers will find the taste of McDonald's foods different
C.
many other food companies will do what McDonald's does
D.
obesity will disappear in American society sooner or later
【单选题】In McDonald's Hamburger University, new managers
A.
learn the company's corporate culture at length.
B.
are only interested in learning management skills.
C.
learn all the necessary skills and practices of the company.
D.
have chances to know about the company's corporate culture.
【判断题】湖水的“水华”或海水中的“赤潮”是由于水体中可溶性磷酸盐的浓度过高,造成水体的富集营养化而出现的一种大面积环境污染现象。
A.
正确
B.
错误
【简答题】赤潮又称红潮。因海洋中的浮游生物暴发性急剧繁殖造成海水颜色异常的现象。江河、湖泊中出现类似的现象,通常称为水花或水华。赤潮并不都是红色的,不同的浮游生物引起海水不同的颜色,赤潮只是各种颜色潮的总称。过于丰富的营养元素导致藻类生物的大量繁殖,而引起缺氧是产生赤潮的主要原因。铁、锰等微量元素和某些有机化合物是赤潮生物大量繁殖的重要诱因。由于海洋污染日趋严重,赤潮发生的次数也愈益频繁,海湾和沿岸海域更为...
【单选题】When a new kind of cooking oil is used in McDonald's, ______.
A.
the prices of McDonald's foods will be much higher
B.
consumers will find the taste of McDonald's foods different
C.
many other food companies will do what McDonald's does
D.
fatness will disappear in American society sooner or later
【单选题】A new McDonald’s ().
A.
Every 17 hours there is a new McDonald's.
B.
Every 70 hours there is a new MeDonald's.
C.
Every 7 hours there is a new MeDonald's.
D.
Every day there is a new MeDonald's.
【判断题】湖水的 “水华”或海水中的“赤潮”是由于水体中可溶性磷酸盐的浓度过高,造成水体的富集营养化而出现的一种大面积环境污染现象。
A.
正确
B.
错误
【单选题】McDonald’s is about to ______ a new advertising campaign McDonald’s is about to ______ a new advertising campaign to promote its new hamburger.
A.
stretch
B.
hunch
C.
render
D.
launch
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