进行预测时,首先要明确预测( )
A.范围
B.目标
C.对象
D.原则
参考答案:B
解析:进行预测时,首先要明确预测目标。
She may be slow, but she is honest.
A. at first
B. at most
C. at least
D. at once
化简逻辑式
。