题目内容

Answer the following questions according to the video clip.In one of the speakers’ words, they ______ .2. What did people realize when the first cellphones were invented?People realized that they_.3. How fast do our cellphones send our thoughts across the world?They send our electrified thoughts ___.4. What can the cellphones do for us according to the woman?The maps on the cellphones can tell us _.5. What is the cellphone like according to the man speaking at the end of the video?It is like ______.

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3 Passage: How to Write an Effective InvitationListen to the passage again and then complete the following form.[音频][音频]Advice on Writing an Effective Invitationl State the occasion, date, 1_.l Include addresses, _2_ if necessary and 3__ .l Mention if refreshments_4__.l Express that you are looking forward to_5_ .If guests are from other countries, send out your invitation6_

B. Listen to the conversation again and complete the following information.

通用水泥的储存期不宜过长，一般不超过。

A. 一年
B. 半年
C. 一个月
D. 三个月

关于石灰陈伏的目的，下列说法正确的是（）。

A. 消除过火石灰的危害
B. 深沉成石灰膏
C. 消除欠火石灰的危害
D. 与二氧化碳作用生成碳酸钙