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【单选题】
用 KMnO 4 法测定 Ca 2+ 含量,采用的是A.
间接滴定法
B.
直接滴定
C.
返滴定法
D.
置换滴定法
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【单选题】Once it becomes ____ outside, she moves the small pots of flowers into the garden___ they get the most sunlight.
A.
warm enough; that
B.
warm enough; where
C.
enough warm; that
D.
enough warm; where
【单选题】She moves the small pots of flowers into the garden____ they can get the most sunlight.
A.
that
B.
which
C.
when
D.
where
【单选题】She moves the small pots ____ flowers ____ the garden.
A.
of, to
B.
with, to
C.
of , into
D.
with , for
【单选题】She moves the small pots with flowers into the garden _____ is full of sunlight.
A.
that
B.
where
C.
in which
D.
/
【单选题】控制器、存储器、输入设备和输出设备五个基本部分组成(硬件部分可以说由这五部分组成)
A.
字节是计算机存储数据的基本单位,即以字节为单位解释信息。
B.
计算机软件由程序、数据及有关的文档组成。
C.
运算速度是指计算机每秒能执行多少条基本指令,常用单位是MIPS。
【单选题】once it becomes_________ outside,she moves the small pots of flowers into the garden _____ they get the most sunlight.
A.
enough warm;where
B.
warm enough;where
C.
enough warm; in which
D.
enough warm; which
【单选题】She moves the small pots of flowers into the garden ____ they get the most sunlight.
A.
that
B.
at which
C.
where
D.
which
【单选题】She moves the small pots ____ flowers ____ the garden.
A.
of, to
B.
with, to
C.
of, into
D.
with, for
【单选题】下列叙述中,错误的是( )
A.
计算机是一种能快速、高效、自动完成信息处理的电子设备
B.
世界上第一台电子计算机（ ENIAC ）于 1946 年在美国宾夕法尼亚大学研制成功
C.
计算机计算精度高，存储容量大，可以准确存储任意实数
D.
运算速度是指计算机每秒能执行多少条基本指令，常用单位是 MIPS （每秒执行百万条指令）
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