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【单选题】
测得100ml血浆中含Na+23mg,则血浆中Na+的物质的量浓度是
A.
1mmol/L
B.
10mmol/L
C.
0.1mmol/L
D.
0.1mol/L
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举一反三
【单选题】It is reported that many people were hurt when the two buses ______.
A.
bumped
B.
crashed
C.
collided
D.
struck
【单选题】对发生污染事故的船舶、当事人和其他有关人员,海事管理机构可以进行罚款的情况包括_______。1未如实反映情况或伪造、隐匿、毁灭证据或者以其他方式妨碍调查取证;2迟报、漏报事故;3瞒报、谎报事故;4船舶污染事故造成珊瑚礁、红树林等海洋生态系统及海洋水产资源、海洋保护区。
A.
①②③
B.
①②③④
C.
②③④
D.
①②
【简答题】粘贴纸盒是用【填空1】与【填空2】粘贴、裱合而成的纸盒,又称为固定纸盒、手工纸盒、硬质纸盒、精裱盒等。
【单选题】在CAD中点的快捷键是
A.
W
B.
O
C.
PO
D.
TR
【单选题】—On my way home I found a new bag but I don’t know whose it is. —Well, I’ll help you find its .
A.
color
B.
size
C.
price
D.
owner
【单选题】女,28岁,初产妇,第三产程胎盘剥离征象哪项正确
A.
子宫底升至脐上,子宫体变硬呈球形
B.
阴道有大量出血
C.
子宫轮廓不清,质软
D.
阴道口外露的脐带长度缩短
E.
轻压子宫下段时,外露脐带有回缩
【单选题】在CAD中点的快捷键是:
A.
W
B.
O
C.
PO
D.
PR
【单选题】眼的视近物调节过程中,下列哪项是最主要的:
A.
瞳孔缩小
B.
瞳孔扩大
C.
晶状体变凸
D.
双眼球会聚
【单选题】正常人眼视近物时,眼所进行的最主要的调节是
A.
晶状体变凸
B.
瞳孔近反射
C.
瞳孔对光反射
D.
双眼球会聚
【单选题】We can learn from the passage that______.
A.
it is impossible that bird flu outbreaks on college campus
B.
the reason that bird flu may impossibly outbreak on college campus is that social distancing will be tough to enforce there
C.
both individuals and communities should be prepared for the threat
D.
we need to get ready now for the worst scenario about the fury of bird flu
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