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【单选题】
上皮组织的结构特点是A.
细胞数量多，细胞间质发达
B.
细胞数量少，排列疏松
C.
细胞排列紧密，细胞间
D.
细胞数量少，排列紧密
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反馈参考答案：
举一反三
【单选题】The golden ____________, once lost, will never come by again.
A.
garden
B.
machine
C.
opportunity
D.
freely
【判断题】中文 Excel 要改变工作表的名字,只需单击选中的工作表的标签,此时屏幕显示一个对话框,在其中的“名称框”中输入新的名字,单击“确定”按钮后即可。
A.
正确
B.
错误
【判断题】The author blends a moving narrative of the stories with a lyrical and pictorial description of the landscape once his ancestors once ranged in their golden age.()
A.
正确
B.
错误
【单选题】The golden ____________, once lost, will never come by again.
A.
fascinating
B.
sample
C.
opportunity
D.
reap
【单选题】You should try to get a good night's sleep _____ much work you have to do. [ ]
A.
however
B.
no matter
C.
although
D.
whatever
【简答题】The golden (__), once lost, will never come by again.
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