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【单选题】
Choose the appropriate description for the picture.【图片】A.
She has blond hair and a freckled face
B.
She has crystal clear eyes and fair complexion
C.
She has wavy hair and pale skin color
D.
She has a ruddy face and straight hair
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【单选题】如果完全竞争行业内某厂商在目前产量水平上的边际成本、平均成本和平均收益均等于 1 美元,则该厂商 ( )
A.
只得到正常利润
B.
肯定未得最大利润
C.
是否得最大利润不能确定
D.
已得超额利润
【简答题】In listening to a person, the important thing is ____ A) to notice his tone, his posture, and the look in his eye B) to listen to how he pronounces his words C) to check his words against his manner, ...
【单选题】激光平地系统的安装要求( )。
A.
确定工作地块面积;
B.
结合激光发射半径;
C.
安装时要找到平面基准;
D.
安装三角架时,应调平上平面;
E.
激光标高应处在拖拉机最高点上方0.5m。
【单选题】If a person or thing is ________ , another person or thing takes their place.
A.
suspected
B.
supplanted
C.
spotted
D.
lamented
【单选题】冰鲜对虾的加工,每批对虾进厂后,应及时检查质量、卫生、冰融、装箱情况,符合要求的原料虾,应按顺序及时投料加工,做到
A.
当天虾，当日加工，先好后次不积压
B.
昨日虾先加工
C.
先次后好不积压
D.
当天虾应及时进入 0-4℃的保鲜库保藏后再加工
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