单选题：Whathasbecomeaconcernaboutplastic?

题目内容：

Whathasbecomeaconcernaboutplastic? A．Usingitproperl
B．Producingitcheapl
C．Developingitspropertiesquickl
D．Evaluatingitscontributionsfairl

参考答案：

答案解析：

Whatisthemainpurposeofthepassage?

Whatisthemainpurposeofthepassage?A．Toshowhowtodesignimagesforgift B．Tosuggestmak

分类：英语题型：单选题

分类：英语题型：单选题

分类：英语题型：单选题

听第8段材料,回答第题。Whyisthemanattheshop?A．Toorderacameraforhiswife B．Tohaveacamerarepai

分类：英语题型：单选题

"Themoment__________soon,"hethoughttohimself,waitingnervously.A．came B．hastome C

分类：英语题型：单选题