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搜题
【单选题】
下列多囊卵巢综合征的临床症状和声像表现,哪项是不正确的
A.
B.
肥胖
C.
双侧卵巢增大
D.
卵泡少于5个
E.
彩色多普勒检查卵巢髓质血流丰富
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【简答题】若圆柱体的体积是2 a 3 +3 a 2 ,底面半径为a,请你试着求出这个圆柱体的高。
【单选题】一个圆柱体和一个圆锥体,底面周长的比是2:3,体积比是4:5,圆锥体和圆柱体高的比是(  )
A.
8:5
B.
5:3
C.
12:5
D.
5:8
【单选题】题目:1, 3/4, 3/5, 1/2, ( ), 3/8
A.
2/3
B.
4/5
C.
3/7
D.
2/9
【简答题】圆柱体的高扩大3倍,体积就扩大3倍.______.
【简答题】Translate these sentences into Chinese and pay attention to the phrases. (1) Now we can only stay at home so as not to be infected with the virus.(so as to... 以便,为的是 ......) (2) I think back to the pr...
【多选题】When we try to illustrate an idea, using examples can make our points clearer and easier to understand. Remember that the examples we use should be relevant and to the point. We can raise examples in ...
A.
Let me give you an example...
B.
Here's an example of...
C.
A good case in point is...
D.
To illustrate the idea, we can look at the example of ...
E.
As is shown in the example of...
【简答题】(1) Now we can only stay at home so as not to be infected with the virus.(so as to... 以便,为的是 ......) (2) I think back to the previous Spring Festival. (think back 回想 ) (3) Try to go out less, in order...
【简答题】If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give_____a try.
【单选题】把一个棱长2dm的正方体削成最大的圆柱体,则圆柱体体积是(  )dm 3 .
A.
8
B.
3.14
C.
6.28
D.
12.56
【简答题】把3块长2十厘米,宽8厘米,高1十厘米的长方体铁块,在车床上削成3地最大的圆柱体,你认为这地最大圆柱体的体积是多少?削去部分的体积是多少?
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