Every possible means ______ to prevent the air pollution, but the sky is still not clear.
A. is used
B. are used
C. has been used
D. have been used
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小时侯，每个人都有______的梦想，可是他们会被一天天______的岁月和现实______得黯然无光。其实梦想______梦想，不需要多大，不需要多辉煌。
A. 快快乐乐 留住 擦 也是
B. 生动活泼 变化 练 才是
C. 闪闪发光 流逝 磨 就是
D. 生龙活虎 失去 炼 只是
According to the passage, words are ______.
A. visual letters
B. represented by sounds
C. represented either by sounds or letters
D. signs called letters
患者，女，31岁。右侧牙痛3天，龈肿，痛剧，伴口臭，口渴，大便3日未行，舌苔黄，脉弦。治疗除取颊车、下关穴外。还应加
A. 外关、风池
B. 太溪、行间
C. 中渚、养老
D. 合谷、内庭
E. 太冲、曲池
______ from the top of the building, the city was lighted everywhere.
A. Seeing
B. To see
C. Saw
D. Seen
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