第2题: [单项选择]口服降血糖药的化学结构不包括() A. 磺酰脲类 B. 双胍类 C. 葡萄糖苷酶抑制剂 D. 噻唑烷二酮类 E. 口服胰岛素类 参考答案:E 答案解析:口服降血糖药按其化学结构可分为磺酰脲类、双胍类、葡萄糖苷酶抑制剂及噻唑烷二酮类。其代表药物分别为格列本脲、二甲双胍、阿卡波糖、吡格列酮。所以答案为E。
A. It has no legs. B. It has no seats. C. It has only two wheels. D. It has only one basket. 参考答案:D 答案解析:[解析] 事实细节题。根据第三段第三句In place of the chair seat,Young and Goldman placed two metal baskets on top of
第35题:[单选题]The workers finally called off the strikes. A.put off B.ended C.cancelled D.participated in 参考答案:C 句意:工人们最终取消了罢工。句中的call off意为“放弃,取消”。四个选项中,C.cancel意为“取消”,与call off意思相近;A. put off意为“推迟” ;B. end意为“结束”;D.participate in意为“参与”。