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【单选题】
示波器旋的作用: ______ 用于调节波形或光点的清晰度; ______ 用 于调节波形或光点的亮度; _______ 用于调节波形的幅度; ________ 用于调节波形的疏密度。A.
辉度，聚焦， “ v/div ”，“ t/div ”
B.
聚焦，辉度， “ t/div ”，“ v/div ”
C.
辉度，聚焦， “ t/div ”，“ v/div ”
D.
聚焦，辉度， “ v/div ”，“ t/div ”
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【简答题】设备改善活动的步骤( )、( )、( )、( )、( )、( ); (7)效果确认;(8)防止再次发生;(9)总结。
【单选题】The combining form " burs/o " means .
A.
cartilage
B.
joint
C.
sac
D.
synovia; synovium
【单选题】Read the section "Coloring Pages Need Crayons." Which detail explains how other people can help give crayons?
A.
She knew just what to do. Give kids crayons.
B.
It costs a lot to buy new crayons for every child in the hospital.
C.
Brooklyn's project will bring joy and crayons to many kids.
D.
The family started a wish list online. Anyone can contribute to it.
【单选题】The combining form " lord/o " means .
A.
spinal cord; bone marrow
B.
inward curve
C.
laterally crooked
D.
hump
【单选题】What is a reason why hospitals do NOT have enough crayons?
A.
Kids take the crayons.
B.
Hospital crayons break.
C.
Crayons are expensive.
D.
Crayons are against the rules.
【单选题】The combining form " tendin/o " means .
A.
bent or crooked; stiff
B.
tendon
C.
muscle
D.
ligament
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