【单选题】The scientists from the Johns Hopkins University said that C75, the slimming drug proved effective in mice, is likely to work on humans because __________. 查看材料
A.
the chemical pathway responsible for appetite control in human is believed to be the same as that in mice
B.
it is a major pathway in the brain which is activated to regulate appetite
C.
it is especially effective in the battle against obesity
D.
its effect has also been proved by human studies
【单选题】PLC的输出接口电路中,带负载能力最强的是( )。
【判断题】PLC的输出接口电路中,继电器输出只能带直流负载,晶体管输出只能带交流负载
【多选题】根据《铁路旅客运输办理细则》,车站对进站人员进行检票时,()应加剪后交给旅客。
【单选题】The drug proved ________.
B.
to be highly effectively
【单选题】是以力学性能,如受力形变、脆性断裂和强度等作为应用性能,具有抵抗外力作用而保持自己的形状、结构不变的特点。
【单选题】The drug proved ______.
C.
to be highly effectively
【单选题】Streptomycin proved to be the first drug effective against the cause of
【简答题】The doctor prescribed a drug to the patient who had a bacterial infection. He was relieved when the bacteria that had infected the patient proved to be ________________________ the drug, and the patie...