精确制导武器可以分为两大类,一类是精确制导导弹,一类是精确制导弹药。()
参考答案:对
31. A warm thought suddenly came to me _______ I might use the pocket money to buy some flowers for my mother’s birthday.
A.if
B.when
C.that
D.which
安排宴会的时间和空间方面有哪些考虑?