問題詳情
35. A natural number that cannot be formed by multiplying two smaller natural numbers _____ known asa prime number.
(A) is
(B) which is
(C) being
(D) those are
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
用户評論
【TOYOBO】評論
A natural number (that cannot be formed by multiplying two smaller natural numbers) _____ known as a prime number. 主詞為 A natural number (單數)故選is不可選which is，因為加上which就變成關代，整句就沒有動詞了!