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【单选题】
已知三点M(50,40,15),N(20,45,30),P(45,18,37)。这三点相对于正面投影,由前到后的顺序是。A.
P、M、N
B.
M、N、P
C.
N、M、P
D.
P、N、M
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反馈参考答案：
举一反三
【简答题】If I (leave) ______ a little earlier, I would have caught the train.
【简答题】完成句子 1. It was very erous because if I was caught I ________________(我可能要坐牢). (put) 2. The old man became very worried, standing at the gate, unable to find a man to ________________(他可以求助的). (tur...
【简答题】I caught a __________ of the taxi before it disappeared around the corner of the street. A) vision B) glimpse C) look D) scene
【单选题】原粒与原红鉴别,不符合原粒特征的是
A.
胞体圆形或类椭圆形
B.
胞浆染深蓝色,常有突起及核周淡染区
C.
核染色质呈细致颗粒状
D.
核仁界限清楚
E.
胞浆染含有少量颗粒
【简答题】I caught a __________ of the taxi before it disappeared around the corner of the street. A) vision B) glimpse C) look D) scene
【简答题】If I (get)______up earlier, I would have caught the flight.
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