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【简答题】
根据运算定律填空． （1）2.7×5.6=5.6×______． （2）0.125×3.2=0.125×______×______． （3）5.5×10.2=5.5×______+5.5×______． （4）7.3×1.6-7.3=7.3×（______-______）
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【单选题】How does the writer feel about travel today?
A.
She doesn't like it very much.
B.
She takes great pleasure in it.
C.
She feels tired of it.
D.
She feels as excited as when she was young.
【单选题】How does the writer feel about Christmas at her house?
A.
She thinks there is too much waste.
B.
She thinks people eat too much fish.
C.
She doesn't like the way it is celebrated.
D.
She doesn't like doing the preparation work.
【单选题】What does the man ask Joan about her check?
A.
How much she gets paid
B.
If she' II loan him some money from it
C.
If she has received it yet
D.
How much in taxes she has paid
【单选题】采用非水溶液滴定法测定硫酸奎宁及其片剂的含量时,1mol硫酸奎宁(原料、片剂)消耗高氯酸的量分别为()
A.
1mol，2mol
B.
1mol，3mol
C.
3mol，4mol
D.
3mol，2mol
【简答题】滚动轴承的外圈外径 D 与外壳孔的配合采用 制,内圈内径 d 与轴的配合采用 制。
【多选题】以下关于滚动轴承内、外圈与轴颈和壳体孔的配合,论述正确的是( )
A.
轴承内圈与轴颈的配合，采用基孔制配合
B.
轴承外圈与壳体孔的配合，采用基轴制配合
C.
轴承内圈内孔的公差带位于零线上方，下偏差为零
D.
轴承外圈外径的公差带位于零线下方，上偏差为零
E.
轴承内、外圈与轴颈和壳体孔配合时，起配合作用的是平均直径
【单选题】How much does the woman have to pay for the first time when she decides to make the deal?
A.
$300.
B.
$350.
C.
$650.
D.
$950.
【单选题】-_______ does she dance every day? - For one hour.
A.
How much
B.
How soon
C.
How many
D.
How long
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