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【简答题】
呋喃属于_________元杂环化合物，吡喃属于_________元杂环化合物，它们均含有杂原子_________。
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举一反三
【简答题】属于主观方面的健康资料是（ ）
【单选题】Girls flinch back in the competition with boys most probably because
A.
they are short of confidence in themselves.
B.
employers often prefer boys to take technical jobs.
C.
they have poorer performance in technical jobs.
D.
they are willing to leave technical jobs to boys.
【单选题】在横线处填入正确的代码,可以让局部变量的age给成员变量的age赋值。 class Person { int age; public Person(int age) { ______________//让局部变量的age给成员变量的age赋值 } public int getAge() { return this.age; } }
A.
this.age = age;
B.
age = age;
【简答题】A．AGE IS NULL B．NOT(AGE IN NULL) C．AGE=NULL D．AGE IS NOT NULL
【单选题】Not only (we lost) all our (memory), but we (also) came close to (losing) our lives.
A.
we lost
B.
memory
C.
also
D.
losing
【单选题】以下代码输出为 _____ 。 age=22 if age 12 and age 18 and age 35 and age < 50: print('Middle age')
A.
Baby
B.
Adult
C.
Middle age
D.
Teenage
【单选题】we may think we're a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices (装置) well after they go out of...
A.
are
B.
may think & shows
C.
gets
D.
keep
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