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【单选题】
以下关于定义结构体类型的变量 st1 ,其中不正确的是( )。A.
typedef student{ int num; int age; }STD; STD st1;
B.
struct student{ int num,age; }st1;
C.
struct{ int num; float age; }st1;
D.
struct student{ int num; int age; }; struct student st1;
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【单选题】超级恒温水浴使用时错误的操作是
A.
超级恒温水浴内应使用去离子水（或纯净水）
B.
可以使用自来水
C.
恒温水浴内水加到“正常水位”
D.
注意用电安全，实验结束时关闭电源，防止干烧
【单选题】Young people are encouraged to have more experiences because
A.
they help to achieve success in the future.
B.
they show one's value.
C.
they develop one's potential.
【简答题】To achieve success in your career, the most important factor, according to the passage, is to ________. A) let your superiors know how good you are B) project a favorable image to the people around yo...
【单选题】Andersen's fairy tales didn't achieve success until after he died.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】The most important educational factor for a child to achieve success in school and life is to______.
A.
receive a good and early pre-schooling
B.
prolong his or her learning time in school
C.
get instruction from more excellent teachers
D.
get person-to-person help from the teachers
【单选题】超级恒温水浴使用时错误的操作是
A.
超级恒温水浴内应使用去离子水（或纯净水）
B.
恒温水浴内水加到“正常水位”
C.
注意用电安全，实验结束时关闭电源，防止干烧
D.
超级恒温水浴内应使用自来水
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