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【多选题】
某种矿物的组成是 2MgO.SiO 2 , 其中的酸根离子是 ( )A.
SiO 3 2-
B.
Si 2 O 6 2-
C.
SiO 2 2-
D.
SiO 4 4-
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【单选题】When they met again, the two friends talked about lots of things and persons ____we could remember in the school.
A.
who
B.
whom
C.
that
D.
Which
【简答题】I have a good friend. Her name is Kate. She is American girl. She is eleven. She with her family in China. There four people( 人) in her family. They’re her father, her mother, her brother and herself....
【简答题】I have a good friend. Her name is Kate. She is American girl. She is eleven. She with her family in China. There are people in her family. They’re her father, her mother, her brother and herself(她自己)....
【简答题】What does the leg-over-chair gesture signify when two close friends are seated like this?
【单选题】When they met again, the two friends talked about lots of things and persons ______ we could remember in the school.
A.
who
B.
whom
C.
that
D.
which
【简答题】按照路由表生成方式分类,路由可以分为 、 和 。
【单选题】Dan came ______ the two friends when he offered Mandy the job that Carla wanted.
A.
between
B.
down with
【简答题】听下面一段对话，回答1-4题。 1. What is the girl doing? A. She is chatting with her friend B. She is taking part in a talk interview C. She is having a job interview 2. What is the girl experienced in? A. The mark...
【简答题】I have a good friend. Her name is Kate. She is American girl. She is eleven. She with her family in China. There four people in her family. They’re her father, her mother, her brother and herself(她自己)...
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