题型:填空题 在自然数中,既不是质数,也不是偶数的最小数是______;既是质数,又是偶数的是______;既是奇数又是质数的最小的数是______;既是偶数,又是合数的最小数是______. 查看答案
题型:选择题 The man we followed suddenly stopped ad looked as if ______whether he was going I the right direction.A.seeingB.having seenC.to have seeD.to see 查看答案