结核杆菌对外界理化因素的抵抗力在无芽胞细菌中最强，耐高温。
参考答案：错
I was just going to cut my rose bushes but someone _____ it. Was it you?
A．had done
B．has done
C．would do
D．will do
血液中CO2浓度对呼吸的调节主要是通过
A．刺激延髓腹外侧浅表部位
B．直接刺激呼吸中枢
C．刺激脑桥调整中枢
D．刺激脊髓运动神经元
E．牵张反射
