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【简答题】
走在大街上每隔几十米就会看到公共垃圾箱（见下图），请据图回答： 甲 乙 （1）从垃圾箱上的标志可以判断甲中应装入的是不可回收垃圾，装入的是____________垃圾。 （2）随着社会的发展，人们对垃圾分类处理的意识越来越强，请将以下生活垃圾进行分类：废报纸、易拉罐、剩饭菜、苹果皮装入甲中的是____________________，装入的是____________________。 （3）用过的废旧电池不可以随意乱扔，因为它属于__________垃圾，会对环境造成污染。 （4）我国采用的垃圾处理方法主要是__________、填埋和堆肥等方法。
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举一反三
【判断题】If you pursue experience rather than material things when spending money, you will feel happy.
A.
正确
B.
错误
【简答题】对于目标函数极大值型的线性规划问题,用单纯型法求解时,当基变量检验数δ j 0时,当前解为最优解。
【单选题】If you use material that does not belong to your company or organization you must
A.
get copyright permission
B.
acknowledge your sources
C.
hope no one notices
D.
pay a fee
【简答题】对于目标函数极大值型的线性规划问题,用单纯型法求解 时,当基变量检验数 时,当前解为最优解。
【单选题】What is the most necessary material you need to submit if you want to apply to an undergraduate degree?
A.
the original or certified copies of his secondary school transcripts or mark sheets
B.
certified copies of his college transcripts or mark sheets
C.
high scores on the TOEFL and IELTS
D.
GMAT scores
【简答题】杂质可促进半导体中载流子的产生和复合,形成复合中心。
【判断题】If you gather material about your topic before you have completed the supporting points of your outline, you will be wasting your time because you might not use all of the information you find.
A.
正确
B.
错误
【单选题】If you mark a book too much, the important material wont stand out, and you will be just ____confused as if you had not marked anything at all.
A.
so
B.
less
C.
more
D.
as
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