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【单选题】
核酸对紫外吸收的最大值时波长是（）
A.
250nm
B.
260nm
C.
270nm
D.
280nm
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举一反三
【单选题】在数据表的查找操作中,通配符“!”的含义是______。
A.
通配任意长度的字符
B.
通配不在方括号内的任意字符
C.
通配任意长度的数字
D.
通配方括号内列出的任意单个字符
查看完整题目与答案
【多选题】One day the washwoman, now nearly eighty years old, came to our house. A good deal of laundry had 1 during the past weeks. Mother gave her a pot of tea to 2 herself, as well as some bread. The old wom...
A.
premonition
B.
burden
C.
white
D.
stubbornness
E.
faithfully
F.
accumulated
G.
warm
H.
catastrophe
I.
at the most
J.
stagger K. of L. property M. reliable N.fortunate O. despite
查看完整题目与答案
【单选题】在数据表的查找操作中,通配符“#”的含义是______。
A.
通配任意个数的字符
B.
通配任何单个数字字符
C.
通配任意个数的数字字符
D.
通配任何单个字符
查看完整题目与答案
【简答题】选词填空 in preparation for , run out of , on one's way , break down , carry on , with great patience ,have difficulty (in) doing 1 . She listened to his excuses ________. 2 . He is practising every day, ...
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【判断题】On the day of one's arrival
A.
正确
B.
错误
查看完整题目与答案
【单选题】在数据表的查找操作中,通配符“[ ]”的含义是______。
A.
通配任意长度数字
B.
通配任意长度的字符
C.
通配不在括号内的任意字符
D.
通配方括号内任意单个字符
查看完整题目与答案
【单选题】Which of the following is NOT mentioned as a reason for working on one's time management skills?
A.
Turning in homework late.
B.
Forgetting about quizzes.
C.
Going home late every day.
D.
Feeling as if one could do better with more time.
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【简答题】Try to translate the following phrases: Don't be a chicken! spring chicken cock of the school go off at half cock sell one's hens on a rainy day “我属鸡”
查看完整题目与答案
【单选题】在数据表的 查找 操作中,通配符 [!] 的使用方法是( )。
A.
在数据表的"查找"操作中,通配符"!"的含义是匹配任意不在方括号里的字符,如b[!ae]ll可查到bill和bull,但不能查到ball或bell。故选项C)正确。
B.
通配任意一个数字字符
C.
通配任意一个文本字符
D.
通配不在方括号内的任意一个字符
查看完整题目与答案
【简答题】从下列所给词中选择合适的词,并用其正确形式填空。 be/get caught up in be in charge be on one's own feel free to do sth. give a hand go hungry look back on the occasion of...
查看完整题目与答案
相关题目：
【单选题】在数据表的查找操作中,通配符“!”的含义是______。
A.
通配任意长度的字符
B.
通配不在方括号内的任意字符
C.
通配任意长度的数字
D.
通配方括号内列出的任意单个字符
查看完整题目与答案
【多选题】One day the washwoman, now nearly eighty years old, came to our house. A good deal of laundry had 1 during the past weeks. Mother gave her a pot of tea to 2 herself, as well as some bread. The old wom...
A.
premonition
B.
burden
C.
white
D.
stubbornness
E.
faithfully
F.
accumulated
G.
warm
H.
catastrophe
I.
at the most
J.
stagger K. of L. property M. reliable N.fortunate O. despite
查看完整题目与答案
【单选题】在数据表的查找操作中,通配符“#”的含义是______。
A.
通配任意个数的字符
B.
通配任何单个数字字符
C.
通配任意个数的数字字符
D.
通配任何单个字符
查看完整题目与答案
【简答题】选词填空 in preparation for , run out of , on one's way , break down , carry on , with great patience ,have difficulty (in) doing 1 . She listened to his excuses ________. 2 . He is practising every day, ...
查看完整题目与答案
【判断题】On the day of one's arrival
A.
正确
B.
错误
查看完整题目与答案
【单选题】在数据表的查找操作中,通配符“[ ]”的含义是______。
A.
通配任意长度数字
B.
通配任意长度的字符
C.
通配不在括号内的任意字符
D.
通配方括号内任意单个字符
查看完整题目与答案
【单选题】Which of the following is NOT mentioned as a reason for working on one's time management skills?
A.
Turning in homework late.
B.
Forgetting about quizzes.
C.
Going home late every day.
D.
Feeling as if one could do better with more time.
查看完整题目与答案
【简答题】Try to translate the following phrases: Don't be a chicken! spring chicken cock of the school go off at half cock sell one's hens on a rainy day “我属鸡”
查看完整题目与答案
【单选题】在数据表的 查找 操作中,通配符 [!] 的使用方法是( )。
A.
在数据表的"查找"操作中,通配符"!"的含义是匹配任意不在方括号里的字符,如b[!ae]ll可查到bill和bull,但不能查到ball或bell。故选项C)正确。
B.
通配任意一个数字字符
C.
通配任意一个文本字符
D.
通配不在方括号内的任意一个字符
查看完整题目与答案
【简答题】从下列所给词中选择合适的词,并用其正确形式填空。 be/get caught up in be in charge be on one's own feel free to do sth. give a hand go hungry look back on the occasion of...
查看完整题目与答案