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【判断题】
该弯矩图绘制是错误的A.
正确
B.
错误
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举一反三
【简答题】EMB 5116支持的输入电压的波动范围是__。
【单选题】The teacher felt very glad at the great ________ the students made in their studies. [ ]
A.
search
B.
progress
C.
strength
D.
treasure
【多选题】以下机型代号正确的是( )
A.
EMB145庞巴迪 ERJ
B.
AirbusA340 :340
C.
EMB145庞巴迪 CRJ
D.
AirbusA330 :B330
【单选题】The students made heated discussions ______ the education system.
A.
as to
B.
due to
C.
owing to
D.
with regard
【单选题】用于食品中志贺菌分离鉴别的中等选择性培养基为
A.
SS或EMB琼脂平板
B.
麦康凯或EMB琼脂平板
C.
HE或SS琼脂平板
D.
EMB或SS琼脂平板
E.
HE或EMB琼脂平板
【判断题】An eosinophil is a leukocyte readily stained with basic dyes such as eosin._____
A.
正确
B.
错误
【单选题】Which sentence explains when the students made the sandwiches?
A.
On April 1, students in California helped those in need in their community.
B.
The world record for most sandwiches made in three minutes was 490.
C.
The school's parents club planned the sandwich event.
D.
They would be delivered to the Alpha Project later that day.
【简答题】如图，直线AB∥CD，EF分别交AB、CD于点M、G，MN平分∠EMB，GH平分∠MGD，求证：MN∥GH． 证明：∵AB∥CD（已知） ∴∠EMB=∠EGD（ _________ ） ∵MN平分∠EMB，GH平分∠MGD（已知） ∴∠1= ∠EMB，∠2= ∠MGD（ _________ ） ∴∠1=∠2 ∴MN∥GH（ _________ ）
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