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【单选题】
下列各组物质中，不属于同分异构体的是A.
和
B.
和
C.
D.
和
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】This book______18 articles , _______ three written by my father.
A.
contains; includes
B.
includes; contains
C.
contains; including
D.
includes; containing
【单选题】This book 18 passages, three written by my head teacher.
A.
includes; contained
B.
includes; containing
C.
contains; includes
D.
contains; including
【多选题】假设等比数列的第一项 a=1 ,公比 q=2 ,下面程序的功能是求满足前 n 项和小于 100 的最大 n ,请选择填空。【 1 】在 A~D 中选,【 2 】在 E~G 中选 #include int main() { int a = 1,g = 2,n = 0,sum = 0; do { 【 1 】 ; ++n;a *= g; }while(sum < 100); 【 2 】 ; printf...
A.
sum++
B.
sum += a
C.
sum = a+a
D.
a += sum
E.
n = n-2
F.
n = n
G.
n-=1
【单选题】According to Sarah, recorded delivery
A.
includes all the compensation for loss.
B.
includes a certificate of posting.
C.
is perfect for sending documents of minor value.
D.
is usually handled by very particular couriers.
【单选题】在吹气式液位传感器中,随着液位的升高,平衡气室逸出的气泡量及导管压力的变化分别为________。
A.
增多，增大
B.
减少，増大
C.
增多，减小
D.
减少，减少
【单选题】The book ten units, two revisions .
A.
contains; including
B.
includes; containing
C.
includes; contained
D.
contains; included
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