A.A
B.B
C.C
D.D
E.E
第1题:
A:( ).
B:Hi. My name's Rose. Are you from London?
A. Hello, I'm Paul. What's your name?
B. Hello, who are you? What's your name?
C. Where are you from?
第2题:
第3题:
将一批英文单词存入一个字符串数组中,例如: {"we","who","word","these","do","what","new","the","hello"} 求所有单词的平均长度,输出结果精确到小数点后2位。
第4题:
A. is
B. does
C. Do
第5题:
第6题:
OSPF的hello报文可以同步路由器的LSDB。