A.They are in the frame. of mind to buy anything.
B.They are looking for something they need.
C.They feel lost because there are so many advertisements.
D.They feel the same as when they look at display advertisements.
第4题
虫卵卵壳较薄,无盖,卵内有一个毛蚴的寄生虫是
A、钩虫
B、血吸虫
C、蛲虫
D、姜片虫
E、肝吸虫
第6题
贝氏莫尼茨绦虫虫卵的鉴别特征是()
A、卵圆形,卵壳薄,内含幼虫
B、似圆形,无梨形器,有六钩蝴
C、卵圆形,无卵盖,内含多个胚细胞
D、近似四角形,卵内有梨形器,内含六钩蚴
E、近于球形,卵壳呈蜂窝状,内含一个卵细胞
第8题
A.卵圆形,卵壳薄,内含幼虫
B.似圆形,无梨形器,有六钩蚴
C.卵圆形,无卵盖,内含多个胚细胞
D.近似四角形,卵内有梨形器,内含六钩蚴
E.近于球形,卵壳呈蜂窝状,内含一个卵细胞
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