【单选题】In face of patents monopolies on medicine, some poor countries______.
A.
justified their production of antiviral drugs
B.
have initiated anti-patent arguments recently
C.
are forced to produce low-cost antiviral drugs
D.
have prepared an affordable therapy for patients
【判断题】挖大孔径桩只要采用了混凝土护壁,就可以进行下层土方开挖。
【判断题】点火线圈是将低压电变为高压电的主要部件,是汽车点火系的高压电源。
【单选题】Some drugs produce bad side_______.
【判断题】167测绘地形图时,碎部点的高程注记在点的右侧字头应坐南朝北。该表述( )
【多选题】气质是一个人 ( ) 心理活动的动力特性。
【单选题】Some drugs produce bad ______.