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【单选题】
之在数学领域最突出的成就是
A.
造出了千里船
B.
利用并发展了前人创造的“割圆术”
C.
写了一部数学著作《缀术》
D.
求得比较精确的圆周率
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参考答案:
举一反三
【简答题】Rivers are one of our most important natural resources. Many of the world’s great cities are located on rivers, and almost __1_______ country has at least one river __2_______(flow) through it that pl...
【单选题】What’s the old days like according to the fish from the fable Forget Each Other in the Rivers and Lakes?
A.
They have a lot of friends supporting one another on the dried land
B.
There is so much water in the rivers and lakes that they forget the existence of other fish
C.
They have to live on each other’s saliva in the dried rivers and lakes
D.
They swim freely in big schools in the rivers and lakes
【多选题】一个电容为C的平行板电容器与电源相连,开关闭合后,电容器极板间的电压为U ,极板上的电荷量为q,在不断开电源的条件下,把两极板间的距离拉大一倍,则( )
A.
U不变
B.
q减少一半
C.
U减少一半
D.
q不变
【单选题】根据我国实行的《反不正当竞争法》,以下哪项行为不属于侵犯他人商业秘密:
A.
通过收买内部人员,获取某公司饮料产品配方
B.
通过胁迫内部人员,拍摄到某公司饮料产品配方
C.
通过研究出版书籍的内容,分析得出某公司饮料产品配方
D.
盗取某公司饮料产品配方,并出售按此配方生产的饮料
【单选题】当c的值不为0时,在下列选项中能正确将c的值赋给变量a、b的是
A.
c=b=a;
B.
(a=c) ‖(b=c) ;
C.
(a=c) &&(b=c);
D.
a=c=b;
【单选题】Which of the following is one of the world's greatest continental rivers?
A.
The Ohio River
B.
The Missouri River
C.
The Hudson River
D.
The Mississippi River
【单选题】But much of the world’s water ____ from rivers and lakes.
A.
come
B.
comes
C.
coming
D.
to come
【简答题】企业投资项目的变现能力是不强的,但是投资项目的价值是很容易确定的。( )
【单选题】当c的值不为0时,在下列选项中能够将c的值赋给变量a、b的是
A.
(a=c)&&(b=c);
B.
c=a=b;
C.
(a=c)||(b=c);
D.
a=c=b;
【简答题】反对称阵Aii=()(i=1,···n)
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