【简答题】根据定积分的性质,比较积分值的大小: 1. 2. (答案填积分值较大的序号,1或2)
【单选题】in my poinion,_____english is more different than writing.so l should put more effort in it.
【简答题】不求出定积分的值,比较下列各对定积分的大小: (1) 与 ;(2) 与 .
【判断题】酶的化学本质大部分是蛋白质,少数是核酸。
【单选题】---Have you seen my e-mail about our TESL, project? ---Yes. Luckily, I checked my e-mails yesterday. Normally, I my e-mail-box for days.