第13题: [单项选择]While shopping, people sometimes can't help ______ into buying something they don't really need. A. to persuade B. persuading C. being persuaded D. be persuaded 参考答案:C 答案解析:can't help+动词ing形式是固定搭配,意为“情不自禁”,被说服需用被动语态。
第15题: [单项选择]Which magnetic compass corrector(s)CANNOT be set on a heading of magnetic east or magnetic west(). A. Heeling magnet B. Flinders bar C. Fore-and-aft magnets D. All of the above can be set on magnetic east or magnetic west headings 参考答案:A