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【多选题】
“可见异物”的检查所采用的方法有A.
灯检法
B.
显微计数法
C.
光散射法
D.
光阻法
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举一反三
【单选题】If we cannot educate people for life as well as for a career, then that is a _________ against our educational system.
A.
poll
B.
salary
C.
render
D.
conviction
【单选题】There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set. Now those【C1】______ seem hopelessly old-fashioned; this Chris...
A.
items
B.
toys
C.
sets
D.
series
【单选题】There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set. Now those 【21】______ seem hopelessly old-fashioned: this Chri...
A.
items
B.
toys
C.
sets
D.
series
【单选题】有一国家控制点的坐标为:x=310246.280m ,y=19 367622.380m,则该点位于6 ̊ 带的第( )带。
A.
17
B.
18
C.
19
D.
31
【单选题】There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set. Now those 【21】______ seem hopelessly old-fashioned: this Chri...
A.
items
B.
toys
C.
sets
D.
series
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