四环素的抗菌谱除外
A．肺炎球菌B．结核杆菌C．脑膜炎双球菌D．立克次体E．支原体
参考答案：B
—What about _____ him a birthday card?
—No, let's _____ him a computer game.[ ]
A. send, give
B. sending, give
C. send, giving
D. sends, give
水流在裂隙网络中运动，其局部流向与整体流向往往（）。
