【判断题】吃西餐过程中,如果餐具掉在地上,一定要自己捡起来。A. 对 B. 错
【单选题】The English prisoner Hawkins and the Irish guard Noble have a tendency to argue about any topic. This reveals that they _____.
A.
are often bitter toward each other
B.
each inwardly regards the other as a friend
C.
are both bored and want to find some fun
D.
disagree and dislike one another
【简答题】分子中即含有 基又含有 羧基 基的化合物称为氨基酸。
【判断题】用背散射电子进行形貌分析时,其分辨率远比二次电子像低。
【单选题】Who is asked to call back?
【简答题】翻译句子 I f parents don’t let their children encounter failure, the children don’t acquire them.
【简答题】What will Hawkins do when he sees something interesting on a road trip?
【简答题】According to Hawkins, computers will fade to the background because cell phones are _____________devices.
【简答题】若|x|= ,则x=( );若a 2 =4,则a=( ).