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Mary: Hi, Erica. How did you do in the IELTS test? You took it two weeks ago, didn’t you? Erica: Yes, Mary. It was certainly a new experience for me. ______ It was quite a long day and I was very nervous. Mary: ______ Erica: No, nothing special. I just studied the vocabulary by myself in the local library.
骨折X线检查的重要意义是( )。
照明灯、电扇、电烙铁等都属于二相负载。
MPS型磨煤机的磨辊形如轮船,直径大,但碾磨面窄,辊轮与磨盘间是接触的,辊轮与磨盘护瓦均为圆弧形,再加上辊轮的支点处有圆柱销使辊轮可以左右摆动,辊轮与磨盘间的倾角可在12°~15之间变化,辊轮磨损面可以改变,因此辊轮磨损比较()。
确诊急性心肌梗死最有特异性的酶学检查是()
钢结构应具有要求的刚度、强度和稳定性。运营中根据钢结构形式,加强对各部()的检查养护,使其经常处于良好状态。
ZYJ7道岔钩形外锁闭装置由哪些部件组成?
国库存款计付利息的范围有哪些?代理支库是否对国库存款计付利息?
人类社会发展的三大资源是()
性味甘、苦,温的药物是()
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