A．Business courses have become popular.B．The school only offers business courses.
A. Business courses have become popular.
B. The school only offers business courses.
C. The business school has a new program.
D. The school has just started to offer business courses.
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What can be inferred about the gap between teachers and undergraduates？
A. It will not exist in future.
B. It would never disappear.
C. It may practically be avoided.
D. It should be bridged.
最恰当的处理方法是
A. 使用尿激酶
B. 冠状动脉支架置入
C. 迅速控制血压
D. 使用扩张冠状动脉药物
E. 应用抗生素
An introduction for a short summary of the passage appears below. Complete the summary by
属于磷酸二酯酶抑制药的是
A. 氨茶碱
B. 异丙托溴铵
C. 沙丁胺醇
D. 西咪替丁
E. 硝酸甘油
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