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【单选题】
如果表中有联系电话字段，若要确保输入的联系电话值只能为8位数字，字段的输入掩码设置为（ ）A.
00000000
B.
999999999
C.
#########
D.
?????????
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【简答题】At Harton College-an English boarding school（寄宿制学校）for boys-there are many rules.Fif-year-old Bob Sanders often breaks them. The boys can go into the town in the afternoon after class. But they mu...
【简答题】There are many rules (制度) in the old libraries. For example, no photos, no drinking and no phones. But now a lot of libraries don’t have too many rules. They paint the rooms beautiful colors so reader...
【单选题】There are many rules in our hotel. They are _____.
A.
as follow
B.
as follows
C.
as followed
D.
as following
【简答题】DHCP 是动态主机配置协议的简称。其作用是（ ）
【简答题】There are many rules for stamp collecting so that many people like it very much.
【单选题】There are many rules in our hotel. They are .
A.
as follows
B.
as follow
C.
like follows
D.
like follow
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