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【单选题】
— What's your favorite subject? — ______. It's easy and interesting. [ ]A.
Toys
B.
Math
C.
T-shirt
D.
E-mail
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Q235C表示什么材料?
【单选题】Limited natural resources should be made full use of ______ the ______ need of energy. [ ]
A.
meeting；increasing
B.
to meet；increased
C.
meeting；increased
D.
to meet；increasing
【单选题】Up to now, our society ________ with limited living space and a shortage of natural resources.
A.
has been challenged
B.
is being challenged
C.
is challenging
D.
has challenged
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