【单选题】——What did she have to say? ——Oh, nothing________. She only wanted me to give her a hand.
【简答题】试述以CDP-二脂酰甘油为起始物,3种甘油磷脂(磷脂酰乙醇胺、磷脂酰甘油、二磷脂酰甘油)的生物合成路线。
【简答题】阅读短文,回答问题. 上周日,学校组织八年级全体同学去南郊风景区春游,同学们玩得很开心.八年级(3)班的张恬恬同学回到家后觉得口很渴,倒水时发现热水瓶里面已经空了,于是她就拿出水壶,倒入小半壶自来水,放到煤气灶上用大火加热.几分钟后,水开了,壶口处冒出大量“白气”.张恬恬关掉煤气灶后取下水壶,水逐渐停止沸腾.当她向水瓶中灌水时,壶口处的水忽然又“沸腾”了,水花四溅,差点儿溅到自己身上.张恬恬吓了一...
【单选题】According to Ms. Wallis, why did she initially buy this product?
A.
She spontaneously decided to try something new.
B.
She had seen it advertised elsewhere.
C.
She received information about it in the mail.
D.
She saw it was on special at the supermarket.