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【单选题】
この病気の発生率は2009年には60%__にまで減っている。A.
枚
B.
台
C.
脚
D.
羽
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举一反三
【单选题】Rock climbing is so popular now that many people are able to ______ the steepest face with great agility.
A.
scale
B.
surpass
C.
overcome
D.
mount
【简答题】The Bear Valley Adventure Camp is a high-energy experience focusing on safe outdoor climbing and an appreciation for the natural environment. Along the way campers can also swim, hike, and canoe ...
【单选题】So violently ______ to be mad that for a moment or two the Princess was unable even to whisper in her ear.
A.
did she pretend
B.
she pretended
C.
pretended she
D.
had she pretended
【单选题】在采用YT-1226压力调节器控制锅炉蒸汽压力的系统中,蒸汽压力将不可控制地超过最高压力,其可能的原因是 1幅差旋钮设定的格数太大;2给定弹簧旋钮扭得太紧;3动触头烧蚀不能闭合;4幅差弹黄折断;5输入波纹管破裂;6与锁钉相接触的幅差弹簧盘卡住。
A.
③⑤⑥
B.
②④⑥
C.
①②④
D.
①③⑤
【简答题】选区激光熔化成型工艺所用激光功率密度 选区激光烧结融化成型工艺。
【单选题】在采用YT-1226压力调节器控制锅炉蒸汽压力的系统中,蒸汽压力将不可控制地超过最高压力,其可能的原因是 。 1幅差旋钮设定的格数太大;2给定弹簧旋钮扭得太紧;3动触头烧蚀不能闭合;4幅差弹簧折断;5输入波纹管破裂;6与锁钉相接触的幅差弹簧盘卡住。
A.
③⑤⑥
B.
②④⑥
C.
①②④
D.
①③⑤
【单选题】While he was climbing the high mountain, he had his leg ______.
A.
broke
B.
break
C.
broken
D.
breaking
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