皮皮学，免费搜题
登录
搜题
【单选题】
如下图所示，一维双原子链的基元、原胞? 单胞? 【图片】A.
两个不同的原子， 2a 线段，单胞同原胞
B.
小球表示的原子， a 线段，单胞同原胞
C.
大球表示的原子， 2a 线段，单胞不同胞
D.
两个不同的原子， 2a 线段和基矢，单胞不同胞
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】When Gail Buchalter was chased by the three men, she was saved by _________.
A.
her husband
B.
her dogs
C.
her gun
D.
her son
【单选题】—What does this sign mean, Miss Chen? —Oh, it says that we ________take photos here.
A.
needn’t
B.
may not
C.
mustn’t
【单选题】A hibernating animal ______ any food all through the winter,______?
A.
needn't...needn't it
B.
doesn't need...does it
C.
needs...doesn't it
D.
needn't...does it
【简答题】图(a)所示刚架，基本体系取为图(b)，力法方程写为δ 11 X 1 +△ 1c =△ 1 ，其中△，应为：( )。 A．0 B．＜0 C．＞0 D．1
【单选题】When Gail Buchalter wa chased by the three men, she was saved by ____________.
A.
her gun
B.
her son
C.
her husband
D.
her dogs
【单选题】You ______ do that again. It's a waste of time. [ ]
A.
needn't
B.
don't need
C.
need to
D.
needn't to
相关题目：
参考解析：
知识点：
题目纠错 0
发布
