搜题请搜索小程序“爱下问搜题”
问题 选择题

— How many people learn English as a second language?

— ________, there are more than 375 million people. [ ]

A. What's more  

B. In total

C. At all  

D. First of all

答案

答案：B

选择题
关于不同射线的性质，下列说法中正确的是（   ）

A．α射线是原子核发生衰变时放射出的氦核，它的电离作用最弱

B．β射线是原子的外层电子电离形成的电子流，它具有较强的穿透能力

C．γ射线是电磁波，它的传播速度等于光速

D．以上说法都不正确
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写作题

假定你是南阳一中某班学生李华，对于你们校园中存在的随意涂写（to scribble）和乱丢垃圾（to litter）的行为有感而发，请用英语给你校杨校长写封信。信中应包括以下内容：

1.说明写信目的；

2.对于这些行为进行批评；

3.提出建议。

注意：信的抬头，落款及日期以给出。

Jan26.2013

Dear Head master Yang,

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

                                                                        

Yours faithfully

Li Hua
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