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【单选题】
下列离子方程式或热化学方程式书写正确的是A.
稀醋酸与0.1mol/LNaOH溶液反应：H ＋ (aq)＋OH － (aq)=H 2 O (l) ；△ H =-57.3KJ/mol
B.
硫酸亚铁溶液中加入过氧化氢溶液：Fe 2+ ＋H 2 O 2 ＋2H + = Fe 3+ ＋2 H 2 O
C.
将Ba(OH) 2 溶液不断加入到KAl(SO 4 ) 2 溶液中，反应至沉淀物质的量最大： 3Ba 2+ ＋6OH － ＋2Al 3+ ＋3SO 4 2 － =3BaSO 4 ↓＋2 Al(OH) 3 ↓
D.
氯化铝溶液中加入过量浓氨水：Al 3+ ＋4NH 3 ·H 2 O = 2AlO 2 － ＋4NH 4 ＋ ＋2 H 2 O
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【简答题】以下不属黑色所主病证的是（ ）
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
A.
正确
B.
错误
【单选题】听听力，回答题：
A.
Part of the dried, mushrooms have begun to decay．
B.
The dried mushrooms didnt arrive on time．
C.
Part of the dried mushrooms werent inspected．
D.
The dried mushrooms are lost during the shipment．
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
A.
正确
B.
错误
【单选题】If ten different part programmers were asked to develop a process plan for the same part, they would probably come up with ten different ________.
A.
CAM
B.
CAD
C.
CAP
D.
CAE
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