【题目】A number of people on the square. The number of them about 2,000. A.is; areB.is; isC.are; areD.are; is相关知识点: 试题来源: 解析 【答案】D 【解析】 句意:许多人在广场上。他们的数量大约是2000。 本题考查a number of; the number of. A. be动词单数形式和复数形式;B. be...
A square of are a 2 is inscribed in a square of are a 3, creating four congruent triangles, as shown below. What is the ratio of the shorter leg to the longer leg in the shaded right triangle? C(A) 1/5 ( B 1/4(C) 2-√3(D) √3-√2 ((E) √2-1 ...
square是可数名词，单数前要加aIt is a square.需要加ait is a square它是一个正方形，的确需要加a可数名字square需要，因为square 是一个单数形式加a是一种意思，不加是另外的意思，各有各的用法。
2) 36 and 64 are both square numbers. They have a sum of 100. Find two square numbers that have a sum of 130.3) Here is a sorting diagram for numbers. Write a number less than 100 in each space.4) Explain why 16 is a square number....
【题目】A number of peopleon the square. The number of themabout 2,000. A.is; areB.is; isC.are; areD.are; is 试题答案 在线课程 【答案】D 【解析】 句意:许多人在广场上。他们的数量大约是2000。 本题考查a number of; the number of. A. be动词单数形式和复数形式;B. be动词的单数形式...
is a compiete square number,then total number of those( ). A.4 B.6 C.8 D.10相关知识点: 试题来源: 解析 C. 由于 ab¯¯¯ + ba¯¯¯ 是完全平方数,且 a≤9 , b≤9 ,于是有 a+b=11 故 {a=2b=9 , {a=3b=8 ,…, {a=9b=2 ,共8组,故答案选C. 此题主要考察了利用...
(英汉词曲:two-placed number两位数;number数,个数;to satisfy满足;complete square完全平方(数) total总的,总数)A.4B.6C.8D.10相关知识点: 试题来源: 解析 3^2=9,4^2=16,9^2=81,10^2=100, ∵ 9 10 16,81 100, ∴在10-100之间的完全平方数为4、5、6、7、8、9的平方, 即16,25,36,49,...
The numbers are normally sequential. Younger children will often use a number square with numbers from one to 20. You'll also commonly see number squares from one to 100. The numbers are typed in numerals (1, 2, 3 etc). You might also see number squares called a ‘100 grid’ or a ...
答案是B，150 square metres。以下是选择该答案的原因：单位复数形式：“米”作为单位是可以被数的，因此当表示面积时，需要使用复数形式“metres”，即“square metres”。连字符的使用：虽然连字符在某些情况下可以用来连接两个词形成一个短语，但在这个表示面积的语境中，它并不改变单位的形式。因此，...
👉质数和合数 Prime and Composite Number 质数是有且只有两个正因数(1和本身)的正整数。 2是质数里唯一的偶数。 💡 If x and y are integers, and w=x²y+x+3y, which of the following statements must be true?(多选) A.If w is even, ...