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【单选题】
选择不相邻的多个单元格区域,正确的操作方法是( )
A.
直接使用鼠标选择各个单元格区域
B.
先按住Ctrl键不放,再选择各个单元格区域
C.
先选择一个单元格区域,按住Ctrl键不放,再选择各个单元格区域
D.
先选择一个单元格区域,按住Alt键不放,再选择各个单元格区域
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【单选题】____________ 查看材料
A.
But he never considered staying on his father and grandfather's land.
B.
While most people buy food from the big supermarkets, hundreds of independent Farmers' Markets are becoming popular.
C.
While confident they will succeed, she lists farming's many challenges
D.
Young people prefer to live in cities.
E.
I seriously objected to the super-sizing of everything——what exactly do they put on our apples to make them so big and red?
F.
'Buy British' campaigns urge ( 鼓励 ) consumers not to buy cheaper imported foods.
【单选题】古罗马帝国的象征是( )
A.
斗兽场
B.
比萨斜塔
C.
勃兰登堡门
D.
大本钟
【单选题】古罗马帝国的象征是 ( ) 。 A. 斗兽场 B. 比萨斜塔 C. 勃兰登堡门 D. 大本钟
A.
1
B.
2
C.
3
D.
4
【单选题】某基础长 4.8m, 宽 3m, 埋深 1.8m, 基底平均压力 p=170kPa, 地基土为黏土, ,地基土平均自重应力所对应的孔隙比 , 压缩系数 , 基底下1.2m处为不可压缩的岩层。则计算基础的最终沉降量与下列哪个值更接近( )。
A.
2.3cm
B.
2.8cm
C.
8.2cm
D.
12.2cm
【单选题】I ______ her, but I never could.
A.
ought to help
B.
must help
C.
ought to have helped
D.
must have helped
【判断题】在Haworth投影式中甲基五碳吡喃型糖和六碳吡喃型糖的C 1 —OH与C 5 —R在同侧者称β型,异侧者称α型。(    )
A.
正确
B.
错误
【单选题】It must never be forgotten ______ the master has no authority to take extraordinary measures for the cargo owner if the latter or his representative can be communicated with.
A.
where
B.
that
C.
which
D.
whether
【单选题】Users must never give their password to ______ over the computer network, no matter how official the request appears.
A.
everyone
B.
anyone
C.
other
D.
nobody
【多选题】H2O对( )具有区分性效应。
A.
HCI和HNO3
B.
H2SO4和H2CO3
C.
HCI和HAc
D.
HCOOH和HF
【多选题】转子在临界转速工作时会直接导致发动机出现哪些故障
A.
转子叶片与机匣碰磨
B.
密封结构损坏
C.
发动机喘振
D.
涡轮叶片表面腐蚀
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