辨别下列句子是并列句、复合句还是并列一复合句：1)Merch

题目描述

辨别下列句子是并列句、复合句还是并列一复合句：1)Merchants are stocking expensive dolls because they think the demand for them will be larger than last year.( )2)Your credit card allows you to charge purchases，but you must pay your account at the end of the month.( )3)While it is not mandatory，you should talk to your supervisor first; and if you want a second opinion，you can take the matter up with the personnel department.( )4)The television set that I ordered two months ago arrived today badly damaged.( )5)Keep the windows closed and the door shut at all times.( )6)Myra Hecher，who is a vice president of our company.knows several computer languages.( )