【判断题】水样的保存目的是为了防止待测物的浓度发生变化。
【判断题】Actually the name Google is wrongly spelt.
【单选题】The young woman was playing hard to get but actually she wanted to go on a date with the young man. The underlined part means ______.
C.
pretending to be inaccessible
D.
hard to get along with