皮皮学，免费搜题
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搜题
【单选题】
营养性缺铁性贫血的病因不包括A.
先天不足
B.
铁摄人量不足
C.
生长发育慢
D.
铁吸收障碍
E.
铁丢失过多
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】“在液为泪”的脏是（）。|“在液为涎”的脏是（）。A. 肝B. 心C. 脾D. 肺E. 肾
【单选题】Reading:The Iron Bridge 10. When was the bridge closed to traffic?
A.
1932
B.
1933
C.
1934
D.
1935
【单选题】Reading:The Iron Bridge 8. When was the furnace bought by Darby originally constructed?
A.
1638
B.
1639
C.
1637
D.
1636
【单选题】The iron-steel bridge _______ now.
A.
is being built
B.
is building
C.
builds
D.
was building
【简答题】如图所示摇杆滑道机构中的滑块M 同时在固定的圆弧槽BC和摇杆OA 的滑道中滑动。如弧BC 的半径为R=0.5m，摇杆 OA的轴O在弧BC的圆周上。摇杆绕O轴以等角速度ω=4rad/s转动，当运动开始时，摇杆在水平位置。M点的加速度为（）。【图片】
【单选题】Reading:The Iron Bridge 13. The painting by Elias Martin is the only one of the bridge when it was new.
A.
True
B.
False
C.
Not given
D.
I don't know
【单选题】Reading:The Iron Bridge 11. When was a model of the bridge built?
A.
2000
B.
2001
C.
2002
D.
2003
【单选题】Reading:The Iron Bridge 12. There is no written evidence of how the original bridge was constructed.
A.
True
B.
False
C.
Not given
D.
I don't know
【单选题】Reading:The Iron Bridge 14. The painting shows that the bridge was constructed from the two banks.
A.
True
B.
False
C.
Not given
D.
I don't know
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