问题
单项选择题
下面()不能预防登录欺骗。
A.在用户和系统之间提供一个安全通道
B.安装硬件重启按钮
C.实施加密验证技术
D.安装输入溢出检查
答案
参考答案:D
下面()不能预防登录欺骗。
A.在用户和系统之间提供一个安全通道
B.安装硬件重启按钮
C.实施加密验证技术
D.安装输入溢出检查
参考答案:D
完形填空。 | |||
I had a great day __1__. I went to the beach with __2__ friend Dave. The weather was nice __3__ sunny. We ran on the beach and we went __4__. Dave is __5__ than me, so he swims very fast. We saw dolphins in the water in the evening. We went for __6__ walk in the park across from Dave's house. That night I __7__ at his house. His mother cooked and we ate beef noodles and dumplings for dinner. The food was __8__. We also have __9__ ice cream for dessert. Then we played computer games and watched TV. It was __10__. | |||
( ) 1.A. of ( ) 2.A. me ( ) 3.A. and ( ) 4.A. swim ( ) 5.A. athletic ( ) 6.A. an ( ) 7.A. stay. ( ) 8.A. small ( ) 9.A. strawberry ( ) 10.A. fun day | B. off B. my B. but B. swims B. much athletic B. a B. to stay B. beautiful B. strawberries B. a fun day | C. away C. I C. so C. swimming C. more athletic C.the C. stayed C. delicious C. an strawberry C. a fine days | D. out D. we D. then D. to swim D. too athletic D. / D. stays D. badly D. a strawberry D. fine days |