我国目前已将可食性果蔬液态保鲜膜用于果蔬包装保鲜。
参考答案:对
单词拼写(共10小题;每小题1分,共10分)
小题1: In the old times, many political leaders were not thought ________(高度评价) of.
小题2:Father _______ (承诺,许诺)to buy me a computer if I do well in the final examination.
小题3: He is _______(诚实的) and he never tells lies.
小题4:Once he was the _______ (教练)of our football team
小题5:Many rare animals are in ________(危险)because they are being hunted for.
小题6:While reading, please pay much __________ (注意)to your pronunciation.
小题7:Our school was _________ (设计)by a famous professor from Tongji University.
小题8:People say that barking dogs don’t ________ .(咬)
小题9:Dave didn't __________ (回复)to any of her emails, which made her angry.
小题10:I am busy, so I have to e_________ (雇佣)a housekeeper to look after my children.
架空斜坡道由()和()组成。