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问题 选择题

摆一个三角形至少需要几根同样长的小棒？[ ]

A.4根

B.5根

C.3根

答案

答案：C

选择题

某温度下，有一杯饱和的硝酸钾溶液，欲使其溶质的质量分数发生改变，下列操作可行的是（　　）

A．加入一定质量的硝酸钾晶体

B．加入少量的水

C．溶剂不变升高温度

D．恒温蒸发溶剂
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填空题

Questions 9-13


·You will hear five different opinions about friendship.
·For questions 9-13, choose from the list A-F what friendships mean to them.
·Use the letters only once. There is one extra letter which you do not need to use.
A. A real friend can share your happiness, accept and forgive faults.
B. Sometimes your best friend is yourself.
C. Family is more important than friends in his mind.
D. Friendship is more important than love.
E. A friend is someone who can understand you.
F. His best friend is his wife, because she knows what kind of mood
he is in.

Questions 9-13


·You will hear five different opinions about friendship.
·For questions 9-13, choose from the list A-F what friendships mean to them.
·Use the letters only once. There is one extra letter which you do not need to use.
A. A real friend can share your happiness, accept and forgive faults.
B. Sometimes your best friend is yourself.
C. Family is more important than friends in his mind.
D. Friendship is more important than love.
E. A friend is someone who can understand you.
F. His best friend is his wife, because she knows what kind of mood
he is in.
查看答案