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【判断题】
函数f在闭区间[a,b]上连续,则f在该区间上有界。()
A.
正确
B.
错误
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【单选题】主要原料是:乙二胺四乙酸铁钠、当归、川芎、白芍、熟地,可以申报的保健功能为( )
A.
增加骨密度
B.
改善营养性贫血
C.
缓解体力疲劳
D.
辅助改善记忆
【单选题】Do as you are told, ___you’ll be in trouble.
A.
but
B.
till
C.
and
D.
or
【简答题】A.Expensive drugs may not prove the most effective. B.The workings of the mind may help patients recover. C.Doctors often exaggerate the effect of their remedies. D.Most illnesses can be cured without...
【单选题】关于点的三面投影规律描述正确的是:
A.
a‘a⊥OX轴
B.
a’a‘’⊥OZ轴
C.
D.
长对正、高平齐、宽相等
【单选题】By the time he realizes he _____ a mistake, it’ll be too late for him to change his mind.
A.
makes
B.
made
C.
has made
D.
had made
【单选题】关于点的三面投影规律描述正确的是:( )【图片】
A.
a ¢ a ⊥ OX 轴
B.
a ¢ a ² ⊥ OZ 轴
C.
aa x= a ² a z
D.
a ¢ a ⊥ OX 轴、 a ¢ a ² ⊥ OZ 轴、 aa x= a ² a z,简称“ 长对正、高平齐、宽相等”
【单选题】向右下方倾斜的线性需求曲线是____的。
A.
富有弹性
B.
缺乏弹性
C.
在一些点缺乏弹性,在另一些点富有弹性
D.
单位弹性
【单选题】---Do you mind my smoking here? ---_________, Look at the sign. It says, “No Smoking.”
A.
It doesn’t matter.
B.
No, I don’t.
C.
You’d better not.
D.
Never mind.
【单选题】检查结果为鼻中隔前下区黏膜糜烂,其不正确的护理措施是
A.
嘱病人日后勿用手指挖鼻腔
B.
嘱用红霉素眼膏涂患处,每日3次
C.
热敷前额及颈部
D.
可用含肾上腺素的棉球压迫出血点
E.
遵医嘱按时服药
【单选题】This ________ is one of  many in Jingle Ma's film that show a deep weakness in the heart and mind of Mulan. [     ]
A.
scene
B.
sign
C.
spot
D.
signal
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