【单选题】According to the author,
A.
TV is more entertaining than good books.
B.
good books are as entertaining as TV.
C.
good books are not so entertaining as TV.
D.
good books are more entertaining than TV.
【判断题】对两舱旅客提供登机服务,根据旅客名单或登机牌旅客姓名显示,应使用姓氏服务。
【单选题】关于对象中属性变量的定义,以下选项正确的是
A.
class Test{ public $var1='hello'.'world' }
B.
class Test{ public $var1=1+2; }
C.
class Test{ public $var1=5; }
D.
class Test{ public $var1=$num; }
【单选题】管路水平敷设时,应保持一定坡度,一般应大于
【单选题】( )天线不受具体船体空间面积的限制,在海船上应用广泛。