【单选题】 She was ________ and did not know what was waiting before her.
【单选题】 She was annoyed at his comment, thinking that the visitor _____ her.
【单选题】 She was always late ____________ school.
【简答题】测定五日生化需氧量的水样,采集时应充满并密封于棕色玻璃瓶中,在 °C的暗处运输和保存,并于 内尽快分析。
【单选题】 She was born________.