A、How are you?
B、I am fine, thank you.
C、How do you do?
D、Nice to meet you.
第1题:
you, do, eraser, how, spell【连词成句)
________________________?
第2题:
A: Hello, Bob. How's everything? B: That's all right.()
第3题:
A、"Howareyou"
B、"How are you"
C、"How are you."
D、" How are you"
第4题:
如果Alice和Bob进行安全交互通信,则Bob不需要知道()
A.Bob的公钥
B.Bob的私钥
C.Alice的公钥
D.Alice的私钥
第5题:
Jerry: I've been back from a business trip.
Bob: ______
A、It's very nice of you.
B、How's everything going?
C、You're kind to say so.
D、I'd love to.
第6题:
GeorgeadvisesAlicetotalkto________forhelp.
A.hermother
B.herteacher
C.Bob’steacher
D.Bob’sfriends
第7题:
A.howdoyoudo!
B.how
C.howdoyoudo
D.hdyd
第8题:
A.how-are-yous
B.of how-are-you’s
C.how-are-you’s
D.of how are you
第9题:
2.—How _______you?
—I_______ fine, thanks.
A.are;is
B.are; am
C.are;are
D.is,am
第10题:
5、若 Bob 给 Alice 发送一封邮件,并想让 Alice 确信邮件是由 Bob 发出的,则 Bob 应该选用 ()对邮件加密。
A.Alice 的公钥
B.Alice 的私钥
C.Bob 的公钥
D.Bob 的私钥