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【简答题】
读图回答问题 (1)大洲和大洋:A______、B______、C______、大洲:F______ (2)地形区:④______高原,是世界海拔最______的高原 (3)河流⑦______,是亚洲第______大的河流,世界第______大河流 (4)湖泊D______湖,是世界最______的湖泊,E______湖,是世界最______的湖泊, (5)半岛:①______、②______、③______ (6)山脉:⑤______它是亚欧的分界线之一 ⑥______、世界上最高大的山脉.
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皮皮学刷刷变学霸
举一反三
【判断题】会计对于己经发生的交易或事项,应当及时进行会计确认、计量和报告,不得提前或者延后。
A.
正确
B.
错误
【单选题】以下不属于中国四大名玉的是:
A.
翡翠
B.
和田玉
C.
绿松石
D.
岫玉
【单选题】The ocean water in the region where the storm forms
A.
is heating the hurricanes
B.
evaporates and becomes fuel
C.
heads toward land
D.
turns into water vapor that makes hurricanes stronger
【单选题】The house had one of the windows in the storm yesterday.
A.
breaking
B.
broken
C.
to be broken
D.
break
【简答题】已知:点P(0,a)在y轴负半轴上,问M(-a 2 -1,-a+1)在第几象限?
【多选题】已知点O(0,0)A(1,2)及B(4,5)及 OP = O
A.
+t O
B.
,试问: (1)当t为何值时,点P在x轴上?点P在y轴上?点P在第三象限? (2)四边形OABP是否能构成平行四边形?若能,求出t的值;若不能,说明理由.
【简答题】设抛物线C:y 2 =2px(p>0)的焦点为F,过F且垂直于x轴的直线与抛物线交于P 1 ,P 2 两点,已知|P 1 P 2 |=8. (1)求抛物线C的方程; (2)过点M(3,0)作方向向量为 d =(1,a) 的直线与曲线C相交于A,B两点,求△FAB的面积S(a)并求其值域; (3)设m>0,过点M(m,0)作直线与曲线C相交于A,B两点,问是否存在实数m使∠AFB为钝角?若存在,请求...
【单选题】听力原文: The US president's helicopter flew over the path of the deadly storm in the state of Alabama, where eight teenagers were killed Thursday in the collapse of a high school in the town of Enterpris...
A.
To find out the lost people and animals.
B.
To criticize the authority's poor response.
C.
To assess the federal assistance needed.
D.
To make clear the investment in agriculture.
【简答题】已知函数 f(x)= a? 2 x 2 x + 2 的图象过点 (0, 2 -1) . (1)求f(x)的解析式; (2)设P 1 (x 1 ,y 1 ),P 2 (x 2 ,y 2 )为y=f(x)的图象上两个不同点,又点P(x P ,y P )满足: OP = 1 2 ( O P 1 + O P 2 ) ,其中O为坐标原点.试问:当 x P = 1 2 时,y P 是否为定值?若是,求出y P...
【单选题】听力原文: The US president' s helicopter flew over the path of the deadly storm in the state of Alabama, where eight teenagers were killed Thursday in the collapse of a high school in the town of Enterpri...
A.
To find out the lost people and animals.
B.
To criticize the authority' s poor response.
C.
To assess the federal assistance needed.
D.
To make clear the investment in agriculture.
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