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【单选题】
下列可以用来输入图片资料的设备是A.
绘图仪
B.
投影仪
C.
打印机
D.
扫描仪
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反馈参考答案：
举一反三
【单选题】Since the terrorist attacks of September 11, 2001, the Federal Aviation Agency has added a small security fee to every airplane ticket purchased. This is an example of:
A.
. the benefits principle of tax fairness.
B.
. a lump-sum tax.
C.
. the ability-to-pay principle of tax fairness.
D.
. a profits tax.
【简答题】患者男性，50岁。按医嘱进行保留灌肠。下列护理措施正确的是A. 为保证疗效，在晨起时灌入B. 选择较粗的肛管C. 插入要浅D. 药量为200mlE. 提高压力，确保灌肠液进入肠道
【单选题】During the period of recent terrorist activities, people _____ not to touch and unattended bag. [ ]
A.
had always been warned
B.
were always being warned
C.
are always warning
D.
always warned
【多选题】关于原结和原条的描述正确的有
A.
原条尾端膨大形成原结
B.
原结和原条分化形成中轴骨骼
C.
原条是胚盘上胚层尾侧中线处的一条增厚区
D.
原条的细胞在上、下胚层之间增殖扩展成中胚层
E.
原条位于下胚层纵轴
【单选题】It is always satisfying to do something that no one else ______.
A.
did
B.
does
C.
had done
D.
has done
【单选题】It is reported in Washington Post that an unknown terrorist group has ______ responsibility for this morning’s bomb attack.
A.
claimed
B.
evaluated
C.
bid
D.
confirmed
【简答题】Since each person has his own range of interests, when the speaker talks about something that is of no personal interest or concern to him, he would "switch off the talking."
【简答题】distract意为“分心”,其前缀为?
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