A．充足的，丰富的 B．不足的，缺乏的 C．高兴的，开心的
No assumptions（）on the basis of scanty information，especially scanty radar information.
A . should not be made B . are not to be taken C . should be taken D . shall be made
Assumption shall（）on the basis of scanty information especially scanty radar information.
A . make B . be made C . not make D . not be made
