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【单选题】
汇编指令中,数据不可以是( )形式。A.
二进制数
B.
八进制数
C.
十进制数
D.
十六进制数
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【单选题】对肾脏疾病患者，术前准备和对手术耐受性的估计，下列哪项是错误的()。
A.
凡有肾脏病者，都应作肾功能检查
B.
轻至中度肾功能损害者，经适当内科治疗，都能较好地耐受手术
C.
重度损害者，即使在有效的透析疗法处理下，仍不能安全地耐受手术
D.
术前应避免使用对肾脏有损害的药物
E.
术前应尽可能避免使用肾血管收缩药物
【简答题】当一个栅格单元内有多个可选属性值时，可按一定方法来确定栅格属性值，常用的方法有A. 中心点法，面积占优法，重要性法，长度占优法
【单选题】They enjoyed the snow and they also _a big snowman last month
A.
had
B.
played
C.
made
【单选题】They had a holiday ______ice and snow because they travelled across Greenland.
A.
is full of
B.
is filled with
C.
full of
D.
full with
【单选题】What was people's reaction whey they saw the snow?
A.
They were screaming when seeing the snow
B.
They were so amazed that some stood there staring
C.
They were driven to work
【单选题】What do the simplest snow crystals look like?
A.
They have six columns．
B.
They are flaky．
C.
They are cubic in shape．
D.
They are six—sided．
【单选题】How did the men get their water supply at the South Pole?
A.
They dug out clean snow.
B.
They depended on ships to bring them water supply.
C.
They depended on planes to bring them water supply.
【简答题】Many people believe the glare from snow causes snow - blindness . Yet, dark glasses or not , they find themselves suffering from headaches and watering eyes,and even snow - blindness ,when exposed to ...
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