手机银行日志查询功能可以查询到手机银行上各类账务和非账务交易的相关明细信息，查询时间区间为（）。
A.4天
B.5天
C.6天
D.7天
参考答案：D
16. You cannot be too careful. Which of the following sentences doesn’t have the same meaning of the underlined sentence? _____
A．You cannot be careful at all.
B．You cannot be over careful.
C．You cannot be careful enough.
D．You cannot take enough care.
关于受精卵发育与植入的叙述，哪项是正确的
A．孕卵植入后蜕膜产生“早孕因子”，抑制母体淋巴细胞活性B．获能的精子穿透初级卵母细胞的透明带，为受精的开始C．精子到达输卵管与卵子相遇，顶体外膜破裂释出顶体酶，称为精子获能D．妊娠期的子宫内膜称为蜕膜E．囊胚与子宫肌层间的蜕膜为真蜕膜
