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【单选题】
急性糜烂出血性胃炎的诊断主要依靠A.
病史及临床表现
B.
X线钡餐检查
C.
胃电图检查
D.
胃液分析
E.
胃镜检查
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举一反三
【单选题】如上题中 三相异步电动机 所接电源电压为额定电压的 80% ,则电动机的启动转矩为 ( )
A.
159.66Nm
B.
199.57Nm
C.
239.49Nm
D.
319.31Nm
【单选题】He couldn't _________ his son quit his well-paid job and started his own business.
A.
carve out that
B.
move along what
C.
figure out why
D.
put aside
【单选题】Choset didn‘t begin developing his own snake robots until he started working at Carnegie Mellon. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Since he started high school, he’s come to school by bike_____. [ ]
A.
on his own
B.
by his own
C.
in his own
D.
with his own
【单选题】18 Choset didn’t begin developing his own snake robots until he started working Carnegie Mellon.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】在密闭容器中,发生反应H 2 (g)+ I 2 (g) 2HI(g),通入xmol H 2 和ymol I 2 蒸气,当x=2，y=1时在一密闭容器中某温度条件下反应达到平衡时碘的转化率为10%，，则该温度条件下平衡常数K= 。
【单选题】在密闭容器中进行如下反应：H 2 （g）+I 2 （g）?2HI（g）；△H，在温度T 1 和T 2 时，产物的量与反应时间的关系如图所示．符合图示的正确判断是（ ）
A.
T 1 ＞T 2 ，△H＞0
B.
T 1 ＞T 2 ，△H＜0
C.
T 1 ＜T 2 ，△H＞0
D.
T 1 ＜T 2 ，△H＜0
【单选题】Chan started his own business because he thought he could do it well.
A.
Right
B.
Wrong
C.
Doesn't say
【简答题】周武王联合800个部落击败商朝的地点是( )A. 牧野 B.咸阳 C.长平 D.临洮
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