小题1:If you learn to    difficulties, you will be the winner in life. (克服)

小题2:I often have a glass of        and an egg for breakfast. (甜牛奶)

小题3: People are not allowed to       in a museum.(拍照)

小题4:     is becoming more and more serious in today’s world. (水污染)

小题5:As students, we should study hard,     it’s important for us to gel on well with others. (同时)

( )不属于社会服务机构民间捐助资金的主要来源。

A．企业

B．个人

C．政府

D．基金会