In this battle, the Japanese lost a large number of who could not be replaced.
A. pilots
B. aircraft carriers
C. planes
D. heavy cruiser
查看答案
Airbus is guided by values, each chosen by the very people who embody them.
The company aims to reach aircraft delivered to the country by 2020, pushing its market share above%.
A. 2,000； 50
B. 2,038； 100
肌肉的配布规律说法正确的是
A. 肌肉分布左右对称
B. 关节周围都配布有功能相反的两群肌肉，这两群肌肉的力量一般没有差异
C. 肌肉两端附着于骨上，其起止点可在同一块骨上
D. 肌肉一般跨过的关节越多力量就越大
耐力性运动（如马拉松），主要用到的肌肉类型是
A. 慢肌纤维
B. 快肌纤维
C. 力量大的肌纤维
D. Ⅱ型肌纤维
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