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【单选题】
正常总胆管的宽度不超过（ ）A.
0．5cm
B.
1．0cm
C.
1．5cm
D.
2．0cm
E.
3．0cm
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反馈参考答案：
举一反三
【单选题】13 Carrefour has been more successful than Walmart in Europe, whereas Walmart has been more successful than Carrefour in the United States. What is the most likely reason for these results?
A.
first-mover advantages
B.
nationalistic preferences of consumers
C.
lack of knowing how to adapt products
D.
increased exporting fees and transportation costs
【单选题】当第二次按下程序段跳过按钮,指示灯灭,表示取消“程序段跳过”机能。此时程序中的“/”标记( ),程序中所有程序段将被依次执行。
A.
弹出
B.
有效
C.
无效
D.
取消
【单选题】A bee that has found honey is able to ______ to other bees the information they need in order to collect the honey.
A.
emerge
B.
explore
C.
acquire
D.
transmit
【单选题】通过改变回路中流量控制元件的流通截面积的大小来控制流入执行元件或者自执行元件流出的流量，以调节其运动速度的是（）
A.
节流调速回路
B.
容积调速回路
C.
容积节流调速回路
D.
以上都是
【简答题】ADC有多少路通道?可以把转换组织成几组?
【单选题】There was a _______ on the board saying the class has bee cancelled
A.
notice
B.
colleague
C.
adapt
D.
shift
【单选题】—What's wrong with your face? —A bee has stung it and it is ________. [ ]
A.
swelled up
B.
swelling up
C.
swelling down
D.
swelled down
【简答题】原子吸收光谱仪的主要组成部分有____、_______、_______、______。
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