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【单选题】
关于进行垫片的配置,说法不正确的是()A.
矩形垫片厚度的测量一般使用取样模板
B.
垫片四个角的厚度尺寸一般是不相等的,他们编号，以免混淆
C.
精加工时须留0.10-0.20mm的研磨余量
D.
将垫片放入机脚下平面与固定垫片之间时必须大力敲击垫片以使其塞紧
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【单选题】下列各组含氧酸的酸性强度的顺序不正确的一组是 ( ) A.HClO 4 > HClO 3 > HClO B. H 2 SO 4 > H 2 S 2 O 7 > HSO 3 F C.( HPO 3 ) n > H 4 P 2 O 7 > H 3 PO 4 D. H 2 SO 4 ≈ H 2 Se 2 O 7 > H 6 TeO 6
A.
B.
C.
D.
D
【单选题】Sellers who were originally willing to supply 400 units of a good at $4 per unit are now willing to supply 800 units at $4 per unit. That change would be described as:
A.
an increase in supply.
B.
a decrease in supply.
C.
an increase in quantity supplied.
D.
a decrease in quantity supplied.
【单选题】下列各组含氧酸中,酸性强度顺序不正确的一组是( )
A.
HClO 4 > HClO 3 > HClO
B.
H 2 SO 4 > H 2 S 2 O 7 > HSO 3 F
C.
(HPO 3 ) n > H 4 P 2 O 7 > H 3 PO 4
D.
H 2 SO 4 H 2 SeO 4 > H 6 TeO 6
【单选题】int a='1'; int b='1'-'0'; cout>str; int i=0,n=0; while(str[i]!='\0') { 2 ; i++; } cout<
A.
49 1 n=n*10+str[i]-'0'
B.
48 0 n=n*10+str[i]-'1'
C.
49 1 n=n+str[i]-'0'
D.
48 0 n=str[i]-'0'
【单选题】An increase in the price of pure chocolate morsels from $2.25 to $2.45 causes suppliers of chocolate morsels to increase their quantity supplied from 125 bags per minute to 145 bags per minute. Supply...
A.
elastic, and the price elasticity of supply is 1.74.
B.
elastic, and the price elasticity of supply is 0.57.
C.
inelastic, and the price elasticity of supply is 1.74.
D.
inelastic, and the price elasticity of supply is 0.57.
【单选题】Sellers who were originally willing to supply 800 units of a good at $4 per unit are now willing to supply 600 units at $4 per unit. That change would be described as:
A.
an increase in supply.
B.
a decrease in supply.
C.
an increase in quantity supplied.
D.
a decrease in quantity supplied.
相关题目：
【单选题】int a='1'; int b='1'-'0'; cout>str; int i=0,n=0; while(str[i]!='\0') { 2 ; i++; } cout<
A.
49 1 n=n*10+str[i]-'0'
B.
48 0 n=n*10+str[i]-'1'
C.
49 1 n=n+str[i]-'0'
D.
48 0 n=str[i]-'0'
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