区域防突工作应当做到()、()、()、()。
参考答案:多措并举,可保必保,应抽尽抽,效果达标
– There are 60 students in my class and 45 of them use weibo very often.
– 45? That means about of your classmates are weibo users, right?
A. half B. two thirds C. three quarters
婴儿身长65cm,头围44cm,独坐,用手摇玩具,能辨认熟人和陌生人,可能的月龄是
A.5个月B.6个月C.7个月D.8个月E.9个月