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【单选题】
下列反应中，属于吸热反应的是A.
木炭在空气中燃烧
B.
氢气在氯气中燃烧
C.
盐酸和氢氧化钠溶液反应
D.
将Ba(OH) 2 ·8H 2 O晶体和NH 4 C1晶体研细后混合并搅拌
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皮皮学刷刷变学霸
举一反三
【简答题】一组排列有序的计算机指令的集合称作____________。
【简答题】计算机指令的集合称作____。
【单选题】Most Adults in US Have Low Risk of Heart Disease More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years, according to a report in the Journ...
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】判定是顺序查找好，还是折半查找好。
【简答题】一系列排列有序的计算机指令的集合称作( )
【简答题】按某个顺序排列的,使计算机能执行某种任务的指令的集合称为( )。q17一组排列有序的计算机指令的集合称作【】,按特定顺序排列的、能使计算机完成某种任务的指令的集合称为【】。
【判断题】The expiry date and latest shipping dates specified in the credit must be strictly complied with the documents are presented too late, the bank is not allowed to honour them.
A.
正确
B.
错误
【单选题】They have to stay with us _______ the time being because they have not found a place yet。
A.
during
B.
in
C.
for
D.
since
【单选题】The documents are presented within the expiry date and no later than_____ days after the issuing date.
A.
14
B.
21
C.
25
D.
31
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