单项选择题 5. Here, immediately, we _______ on controversial ground.  A、treat B、stop C、tread D、stand

单项选择题 5.2 下列既有荚膜又有芽胞的细菌是

判断题 Folk tales say the game originates from the activities of seeking Qu Yuan's body, but experts, after painstaking and meticulous research, conclude that dragon boat racing is a semi-religious, semi-entertaining program from the Warring States Period (475-221 BC).    A、正确 B、错误