诱导式浮选器将（）mm的气泡引入含油污水中。
A、0.1-1.0
B、0.12-1.2
C、0.1-0.15
D、0.15-1.5
参考答案：D
He is a _____ teacher, and he explains every problem to his students with great _____. [ ]
A. patiently; patience
B. patiently; patient
C. patient; patience
D. patient; patient
人体感染溶组织内阿米巴后，大多数表现为
A．带囊状态B．阿米巴肺脓肿C．阿米巴痢疾D．阿米巴脑脓肿E．阿米巴肝脓肿
