2.1一般情况下，细胞壁损坏，细菌会溶解破坏。

单项选择题电器之间的连接一般采用（ ） A. 并联 B. 串联 C. 都可以

单项选择题Which of the following is a correct list of the hedging languages in the following paragraph? Our results suggest that rapid freeze and thaw rates during artificial experiments in the laboratory may cause artificial formation of embolism. Such experiments may not quantitatively represent the amount of embolism that is formed during winter freezing in nature. In the chaparral at least, low temperature episodes usually result in gradual freeze-thaw events (Hyland, 1998)