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【简答题】
I have a lovely friend at school. His name is Jack. Jack is 12 years old now. I'm 11 years old now. He's older than me. He's 150 centimetres tall. I'm 148 centimetres tall. He's 43 kilograms and I'm 41 kilograms. He's taller and stronger. We have round face and short hair. But my eyes are bigger. We both like summer. We both like sports too. On Saturdays, we play table tennis. On Sundays, we play basketball. He's good at playing basketball. But I am good at playing table tennis. We laugh and play together. How happy we are!×
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【单选题】The airplane crashed and over a hundred passengers were killed, ______.
A.
and that shocked the world
B.
and which shocked the world
C.
this fact shocked the world
D.
which shocked the world
【单选题】关于股动脉的叙述，错误的是（）
A.
在腹股沟韧带中点的深面续于髂总动脉
B.
其主要分值为股深动脉、腹壁浅动脉、旋髂浅动脉和阴部外动脉
C.
其体表投影为：大腿外展外旋，自腹股沟韧带中点至收肌结节作一连线，此线的上2/3为股动脉
D.
其压迫止血部位为：在腹股沟韧带中点处将股动脉压向耻骨上支
E.
压迫该动脉其止血范围为下肢大部分
【简答题】情景对话。 1. 当你想给别人指路时，你应该说： [ ] A. I can show you. B. I can see you. C. I can work. 2. 当你问某个东西是什么时，用英语说： [ ] A. Where is it? B. What is it? C. What time is it? 3. 当你想帮助别人时，你应该说： [ ] A. May I ...
【简答题】如果一个行业是成本递增行业，则( )。 A) 行业的长期供给曲线斜率为正 B) 行业的长期供给曲线斜率为负 C) 短期平均成本曲线不是U型的 D) 上述说法均不正确
【单选题】如果一个行业是成本递增行业，那么_______。
A.
行业的长期供给曲线的斜率为正
B.
行业的长期供给曲线的斜率为负
C.
投入要素的价格是不断下降的
D.
行业内企业的短期平均成本曲线不是“U”形的
E.
以上说法均不准确
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