问题
多项选择题
现行在核心系统使用的账号长度为()。
A.15位
B.17位
C.20位
D.21位
答案
参考答案:B, D
现行在核心系统使用的账号长度为()。
A.15位
B.17位
C.20位
D.21位
参考答案:B, D
完形填空。 | ||||
It was a cold winter evening. 1 old man had done his work and was going home from the fields. 2 his way he saw something on the ground. He looked at it and 3 it was a snake (蛇). It was not 4 , but it couldn't move because it was so cold. "Poor thing," the man said, "I must try to save your life." He picked 5 and looked for a warm place to put it in. But how could he find one in 6 cold weather? So he decided 7 the snake inside his clothes, right next to his heart. 8 minutes later, the snake came back to life and began to move. 9 it had become 10 , it gave the man a bite (咬). He killed (杀死) it and went on. When he got back, he was very ill and had to lie down. | ||||
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