4÷13=4×3=12(小时);
答:从北京到青岛大约需12小时.
—How about going swimming?
—I’d like that, _________ I’m afraid I have no time.
A. and
B. or
C. but
D. so
若变量a是int类型,并执行了语句:a='A'+1.6;,则正确的叙述是( )。
A.a的值是字符C
B.a的值是浮点型
C.不允许字符型的浮点型相加
D.a的值是字符'A'的ASCⅡ值加上1