题目

把胚芽鞘尖端切掉，用含有适当浓度生长素的琼脂放在切面的左侧，其生长的情况是（）      A．向左侧弯曲生长    B．  向右侧弯曲生长      C．直立生长 D． 不生长 答案：B----Are you afraid of__________ out at night?----No, but I’m afraid __________ the strangers at night.A. going; to see B. to go; seeingC. to go; to see D. going; seeing