第15题: [单项选择]The eye of the hurricane is______. A. the powerful center of the storm B. the part that determines its direction C. the relatively calm center of the storm D. the center of low pressure 参考答案:C 答案解析:根据第三段倒数第二句话“The eye is a region of relative calm and clear skies in the center of the hurricane”。可知,
第27题: [单项选择]同服维生素B6可预防周围神经炎的是( )。 A. 利福平 B. 乙胺丁醇 C. 对氨基水杨酸 D. 链霉素 E. 异烟肼 参考答案:E 答案解析:[知识点] 化学治疗药物—异烟肼(INH,雷米封)
第28题: [单项选择]The machines in this workshop are not regulated ______ but are jointly controlled by a central computer system. A. inevitably B. individually C. irrespectively D. irregularly 参考答案:B 答案解析:只有individually表示“单独地”。inevitably意为“不可避免地”:irrespectively意为“不考虑;不顾”:irregularly意为“不定期地”。