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【简答题】
软交换技术的核心思想是通过 来实现原来交换机的控制、接续和业务处理等功能。
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举一反三
【单选题】— Excuse me. Can you spare me a few minutes? — _____. [ ]
A.
What's on?
B.
What's more?
C.
What's up?
D.
What is it?
【单选题】生殖细胞包括精子和卵子,发生过程中经过两次减数分裂,均为单倍体细胞,即仅有23条染色体,其中22条是常染色体,1条是性染色体。从卵巢排出的卵子处于
A.
第一次减数分裂中期
B.
第一次减数分裂后期
C.
第二次减数分裂前期
D.
二次减数分裂中期
E.
第二次减数分裂后期
【单选题】ˉWhat do you think of Lin Shuhao’s performance in today’s match? ˉ______. He should have won more points.
A.
it was just so–so
B.
I have no idea
C.
I’m afraid not
D.
It’s my pleasure
【单选题】—You look so worried, what’s wrong? —More and more people like me become to worry about the __________ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
A.
water
B.
air
C.
noise
D.
Soil
【单选题】-You look so worried, what’s wrong? -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
A.
water
B.
air
C.
noise
D.
Soil
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