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计算机数据安全的维护策略,一时及时进行数据备份,二是注意预防和控制病毒感染,三是及时修补系统漏洞。()
A.
正确
B.
错误
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【单选题】对于延时精度要求不高、电源电压波动大、环境温度变化大的场合选用哪种类型的时间继电器比较合适。( )
A.
直流电磁式时间继电器
B.
空气阻尼式时间继电器
C.
电动机式时间继电器
D.
晶体管式时间继电器
查看完整题目与答案
【单选题】If you stop eating briefly to talk or have a drink, where should you place your hand utensils?
A.
To the right of your plate.
B.
To the left of your plate.
C.
Fork and knife are crossed on the plate.
D.
Above plate, placed horizontally.
查看完整题目与答案
【简答题】根据对话内容及首字母提示，写出所缺单词 Tom: Jane, I think you s 1 stop eating shark's fin. Jane: Why? It t 2 delicious. Tom: Many sharks are killed b 3 people eat shark's fin soup. I think it's w 4 to eat it .Sharks hav...
查看完整题目与答案
【单选题】I ______ you to take more exercise and stop eating junk food any more, if you want to keep fit.
A.
suggest
B.
advise
C.
allow
D.
hope
查看完整题目与答案
【单选题】If you want to keep fit, I_▲you to take more exercise and stop eating junk food any more.
A.
suggest
B.
advise
C.
allow
D.
hope
查看完整题目与答案
【多选题】重力式挡土墙在砌筑时的注意事项,下列说法正确的是
A.
采用浆砌片石作为墙身，砌筑速度一天不宜超过一米
B.
砌筑顺序为，先砌腹石，再砌脚石，最后砌面石
C.
浆砌片石且住可以采用铺浆法和挤浆法
D.
沉降缝、伸缩缝填缝深度不得小于15cm
E.
砌筑完成需要养生，养生期间要注意覆盖并及时洒水
查看完整题目与答案
【单选题】If you want to lose weight, you should ___ eating too much meat. A. stopping B. stop C. stops D. stopped
A.
stopping
B.
stop
C.
stops
D.
stopped
查看完整题目与答案
【多选题】重力式挡土墙在砌筑时的注意事项,下列说法正确的是
A.
采用浆砌片石作为墙身，砌筑速度一天不宜超过一米
B.
砌筑顺序为，先砌腹石，再砌脚石，最后砌面石
C.
浆砌片石且住可以采用铺浆法和挤浆法
D.
沉降缝、伸缩缝填缝深度不得小于15cm
E.
砌筑完成需要养生，养生期间要注意覆盖并及时洒水
查看完整题目与答案
【单选题】What will you do if you happen to be eating something when the phone rings?
A.
Stop eating and answer the phone.
B.
Answer the phone while eating.
C.
Answer the phone after you finish eating.
D.
Don ’ t answer the phone.
查看完整题目与答案
【单选题】Fast food is cheap and convenient. But it is not healthy. If you learn the following tips, you can make healthier choices and enjoy the price and convenience. Chew your food thoroughly and slo...
A.
avoid bacon
B.
eat slowly
C.
drink water with our meal
D.
“undress” our food
查看完整题目与答案
相关题目：
【单选题】对于延时精度要求不高、电源电压波动大、环境温度变化大的场合选用哪种类型的时间继电器比较合适。( )
A.
直流电磁式时间继电器
B.
空气阻尼式时间继电器
C.
电动机式时间继电器
D.
晶体管式时间继电器
查看完整题目与答案
【单选题】If you stop eating briefly to talk or have a drink, where should you place your hand utensils?
A.
To the right of your plate.
B.
To the left of your plate.
C.
Fork and knife are crossed on the plate.
D.
Above plate, placed horizontally.
查看完整题目与答案
【简答题】根据对话内容及首字母提示，写出所缺单词 Tom: Jane, I think you s 1 stop eating shark's fin. Jane: Why? It t 2 delicious. Tom: Many sharks are killed b 3 people eat shark's fin soup. I think it's w 4 to eat it .Sharks hav...
查看完整题目与答案
【单选题】I ______ you to take more exercise and stop eating junk food any more, if you want to keep fit.
A.
suggest
B.
advise
C.
allow
D.
hope
查看完整题目与答案
【单选题】If you want to keep fit, I_▲you to take more exercise and stop eating junk food any more.
A.
suggest
B.
advise
C.
allow
D.
hope
查看完整题目与答案
【多选题】重力式挡土墙在砌筑时的注意事项,下列说法正确的是
A.
采用浆砌片石作为墙身，砌筑速度一天不宜超过一米
B.
砌筑顺序为，先砌腹石，再砌脚石，最后砌面石
C.
浆砌片石且住可以采用铺浆法和挤浆法
D.
沉降缝、伸缩缝填缝深度不得小于15cm
E.
砌筑完成需要养生，养生期间要注意覆盖并及时洒水
查看完整题目与答案
【单选题】If you want to lose weight, you should ___ eating too much meat. A. stopping B. stop C. stops D. stopped
A.
stopping
B.
stop
C.
stops
D.
stopped
查看完整题目与答案
【多选题】重力式挡土墙在砌筑时的注意事项,下列说法正确的是
A.
采用浆砌片石作为墙身，砌筑速度一天不宜超过一米
B.
砌筑顺序为，先砌腹石，再砌脚石，最后砌面石
C.
浆砌片石且住可以采用铺浆法和挤浆法
D.
沉降缝、伸缩缝填缝深度不得小于15cm
E.
砌筑完成需要养生，养生期间要注意覆盖并及时洒水
查看完整题目与答案
【单选题】What will you do if you happen to be eating something when the phone rings?
A.
Stop eating and answer the phone.
B.
Answer the phone while eating.
C.
Answer the phone after you finish eating.
D.
Don ’ t answer the phone.
查看完整题目与答案
【单选题】Fast food is cheap and convenient. But it is not healthy. If you learn the following tips, you can make healthier choices and enjoy the price and convenience. Chew your food thoroughly and slo...
A.
avoid bacon
B.
eat slowly
C.
drink water with our meal
D.
“undress” our food
查看完整题目与答案