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【简答题】
两个人分别用10N的弹簧秤的两端,弹簧秤的读数为( )N。
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皮皮学刷刷变学霸
举一反三
【单选题】I have told him several times that these young pines ______ watering twice a week.
A.
require
B.
appeal
C.
demand
D.
request
【单选题】In the Lingshu·Jingmai 《灵枢 · 经脉》 , which meridian originates from the inner canthus of the eye 目内眦 ?
A.
Stomach meridian of foot- yangming
B.
Large Intestine m e ridian of hand- yangming
C.
Gallbladder meridian of foot- shaoyang
D.
Bladder meridian of foot- taiyang
E.
Triple Energizer meridian of hand- shaoyang
【单选题】千斤顶属于( )螺旋传动形式。
A.
螺母固定，螺杆旋转并移动
B.
螺母轴向固定但旋转，螺杆轴向移动
C.
螺杆固定，螺母旋转并移动
D.
螺杆轴向固定但旋转，螺母移动
【单选题】— I telephoned him twice and I couldn’t get through to him. —The line might have been out of order, _______?
A.
don’t you
B.
wasn’t it
C.
do you
D.
hadn’t it
【单选题】—I telephoned him twice and I couldn’t get through to his home. —I think the line might have been out of order, ________?
A.
don’t you
B.
wasn’t it
C.
do you
D.
hadn’t it
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