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【单选题】
用0.020 mol/L Zn2+溶液滴定0.020 mol/L EDTA溶液。已知lgK(ZnY)=16.5, lgαZn=1.5, lgαY=5.0, 终点时pZn=8.5, 则终点误差为
A.
+0.1%
B.
-0.1%
C.
+3%
D.
-3%
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【简答题】计算 (1)12+(-8)+11+(-2)+(-12); (2) 1 18 ÷( 2 3 + 1 6 - 1 2 ); (3)(-1) 3 ×(-5)÷[-3 2 +(-2) 2 ].
【简答题】Bar friends are not deeply involved in each others lives. (paraphrase)
【简答题】198÷9= 81+29+19 = 8×13×25= 12×3÷12×3= 565-118-82= 5×8+15×8=
【简答题】脱式计算. 772-317+128-283 ( 11 12 - 3 4 )÷(2- 1 2 ) 4.6× 11 8 +8.4÷ 8 11 - 11 8 ×5 (3618÷18-145)×20 120÷[45×(1- 8 9 )] 3 5 ÷[( 7 9 + 1 3 )× 3 2 ].
【单选题】Paraphrase: Don't take personally.
A.
不要自己亲自去拿。
B.
不要觉得是针对你个人的。
【简答题】We sent ____ the holiday brochure as soon as we saw it advertised.
【单选题】What can we learn about Miss Joan from the story?
A.
She did not read the brochure carefully.
B.
She made a reservation after seeing the brochure.
C.
She lost her temper in the end.
D.
She didn't know how to complain.
【简答题】Paraphrase ò Ain’t no passing craze !
【简答题】计算: -(-1 ) 5 +1 1 8 ×1 1 2 ÷(- 1 2 ) 2 × 4 9 =______.
【单选题】以下关于“事业部型”组织结构的描述,表述最正确的是( )。
A.
适用于规模较小的企业或组织
B.
适用于管理层次较多的企业或组织
C.
适用于管理层次较少的企业或组织
D.
适用于规模较大的企业或组织
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