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【单选题】
---Shall I use your red ink? ---It is a pity that it_____. I will get some.
A.
has run out
B.
used up
C.
has used up
D.
has been run out
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参考答案:
举一反三
【单选题】下面化合物在芳环上的氯原子上发生亲核取代反应速率的活性顺序为 图片7.png
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【单选题】以下关于二维数组a的说明中正确是( )。
A.
int a[3][ ];
B.
float a(3,4);
C.
char a(3)(4);
D.
double a[3][4];
【单选题】下面化合物在芳环上亲核取代反应速率顺序为 图片7.png
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【单选题】下面化合物在芳环上的氯原子上发生亲核取代反应速率的活性顺序为
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【单选题】以下关于二维数组a的说明中正确是
A.
int a[2][ ]
B.
char a(2,3)
C.
float a(2)(3)
D.
double a[2][3];
【单选题】下面化合物在芳环上亲核取代反应速率顺序为
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【简答题】Complete the sentences with words or expressions below: turned to, pointed, at the end of, looked up, recognize, took his place I ________ my friend and asked her if she could lend me some money. You'...
【简答题】I asked her who her mother was, and she ______________ to a tall woman on the other side of the room.
【简答题】试述健康-疾病连续相模式的内容。
【简答题】1. Complete the sentences with words or expressions from the boxes. turned to, pointed, at the end of, looked up, recognize, took his place 1. I _____________ my friend and asked her if she could le...
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