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【简答题】
When we got back from the cinema,we found the lamp__________but the door __________. A.being on;shut B.burning;shutting C.burning;shut D.on;shutting
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举一反三
【单选题】The Best Title of this passage is ______.
A.
Gypsies Want to Form. a Nation
B.
Are They a Nation
C.
EU Is Afraid of Their Growth
D.
They Are a Tribe
【简答题】FREE $ 10 Gift Card with ANY Purchase at CVS September 4, 2013 by Michelle New Plink members are invited to join and make any purchase at CVS to get a $10 gift card from your choice at places like Ama...
【简答题】阅读理解,判断正(√)误(×)。 Today is Daming's birthday. Jim is going to make a birthday card for him. Jim's mom is at the supermarket. She's buying things for the party. But the bags are too heavy. There is a bi...
【简答题】(8分)对有机物的结构理解,要以立体几何知识为依托,重点理解有机物分子中的价键在空间的分布,注意有机物结构式或结构简式的书写仅表示原子连接的次序,不代表有机物的空间结构。烷烃的结构可从甲烷的立体结构拓展想象,如乙烷(CH 3 CH 3 )可认为是甲烷分子中的一个氢原子被—CH 3 取代形成的。三个碳原子以上的烷烃分子中的碳原子呈锯齿形,可能共平面,但不可能共直线。 (1)甲烷分子中最多可有____...
【判断题】In America , it is necessary to make a beautiful wrapping for the gift and prepare a card with warm words in it.
A.
正确
B.
错误
【简答题】Triplett于1898年调查了一个今天我们称作____的现象。
【单选题】In the 3rd paragraph, the 'Guess Who' card is probably used to______.
A.
be a gift for relatives on Valentine's Day
B.
make jokes
C.
express happiness on Valentine's Day
D.
express love for a person one secretly admires
【单选题】下列的叙述正确的是 [     ]
A.
甲烷分子中由于C原子发生了sp 3 轨道杂化而形成正四面体的立体结构
B.
甲醛分子中的化学键都是σ键
C.
二氧化碳分子呈直线形结构是因为C原子发生了sp 2 杂化
D.
氨气分子因氮原子发生了sp 3 轨道杂化,而形成正四面体的结构
【单选题】描述CH 3 —CH=CH—C≡C—CF 3 分子结构的下列叙述中,正确的是
A.
6个碳原子有可能都在一条直线上
B.
6个碳原子连接起来呈现连续的多个锯齿状
C.
6个碳原子一定都在同一平面上
D.
在同一平面上最多可有12个原子
【简答题】单词拼写(共10分) 76.The day when the Maori signed an agreement with the settlers is still c       as a national holiday. 77.Susan decided to buy the d        necklace which cost a lot of money 78.Finally, t...
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