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【多选题】
抗心绞痛药物主要通过哪三个环节发挥疗效A.
降低心肌耗氧量
B.
增加心肌供血供氧量
C.
抑制血小板聚集、黏附，抗血栓形成
D.
增加心肌耗氧量
E.
减少心肌供血/氧量
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反馈参考答案：
举一反三
【简答题】简述机器语言、汇编语言和高级语言各自的特点。
【简答题】何谓最优含水量？影响填土压实效果的主要因素有哪些？
【单选题】Millions of people all over China _____ TV when the spaceship returned and landed safely. [ ]
A.
are watching
B.
had watched
C.
watch
D.
were watching
【简答题】质量控制是消除（）问题，使产品质量保持规定的水平；而质量改进是消除系统性问题。
【单选题】Each day, computers help millions of people do their jobs more effectively. For example, they can help managers decide on a future course of action, and they can then help with the follow-up checks on...
A.
Helping managers decide on a future course of action.
B.
Helping managers check if planned goals are reached.
C.
Helping managers save time in writing a report.
D.
Helping managers design a spreadsheet package.
【简答题】简述机器语言、汇编语言、高级语言各自的特点。
【单选题】The Great Wall is ________ tourist attraction that millions of people pour in every year. [ ]
A.
so a wellknown
B.
a so wellknown
C.
such wellknown
D.
such a wellknown
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