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【单选题】
某患者未受明显创伤皮肤却经常出现大片青紫色瘀斑,可能是A.
红细胞减少
B.
中性粒细胞减少
C.
凝血因子减少
D.
血小板减少
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反馈参考答案：
举一反三
【单选题】图甲是模拟调光灯.电源电压为4.0V;小灯泡额定电压为2.5V,电流随电压变化的I-U图象如图乙所示,小灯泡两端电压达到0.4V时“刚亮”;铅笔芯长15cm、阻值为30Ω,其阻值与长度成正比.回形针A固定在铅笔芯右端,回形针P可以在铅笔芯上自由滑动,该调光灯在使用时,以下说法错误的是( )
A.
闭合开关,移动P能连续调光
B.
闭合开关,P滑到距A点10cm处,小灯泡的实际功率为0.15W
C.
在距A点2.5cm处做标记,可以提醒P向A滑过此处,小灯泡将不安全
D.
小灯泡工作时,从“刚亮”到正常发光,实际功率变化范围为0.048W~0.75W
【简答题】The conversation is most probably taking place between a(n)____1_____ and a(n)____2_____. Kate is from ______3____Company. Leo cannot decide between Yangtian and Kaitian _______4___________.
【单选题】Greeting is a(n) _______ _______to a conversation when meeting people after some time.
A.
good subject
B.
proper start
C.
interesting beginning
D.
not necessary
【单选题】A client is about to have arterial blood gases drawn, and the nurse explains what an Allen's test is. What comment shows that the client understands the nurse's explanation?
A.
"Blood is drawn from the ulnar artery."
B.
"I know I have to lie down while blood is drawn."
C.
"This test is done to ensure adequate collateral circulation."
D.
"Direct pressure has to be placed over the site for 15 minutes after blood is drawn."
【简答题】某施工场地方格网及角点自然标高如题图示,方格网边长a=40m,设计要求泄水坡度沿长度方向为2‰,沿宽度方向为1‰,是确定场地设计标高(不考虑土的可松性影响),并计算挖填土方工程量。
【单选题】According to Dr. Jeol Hiderbrand what accounts for his ageless energy?
A.
His ancestors.
B.
His parents.
C.
Heredity.
D.
Hard working.
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