多项选择题
Key points of place settings are ________. A、Westerners...
多项选择题Key points of place settings are ________. A、Westerners generally use knives and forks at the table. B、Napkins are unfolded then refolded in half before being placed on the lap. C、Knives stay in the right hand and forks in the left. D、The knife and fork can be placed in various positions on the plate to indicate different things.
察哈尔省政府成立，省会设在宣化
判断题 察哈尔省政府成立，省会设在宣化
细菌抵御动物吞噬细胞吞噬的结构是( )。 A．荚膜 B．鞭毛 C．芽孢 D．性菌...
单项选择题细菌抵御动物吞噬细胞吞噬的结构是( )。 A．荚膜 B．鞭毛 C．芽孢 D．性菌毛 E．普通菌毛
