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【简答题】
Refer to the following diagram. a. Estimate the linear trend equation for the personal income series. b. What is the average annual increase in personal income?
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The new machine failed to ______ the garbage. As a result, the kitchen was filled to bursting with smelly leftovers.
A.
expand
B.
compact
C.
produce
D.
criticize
【简答题】A．Make a profitable investment. B．Buy a new washing machine. C．Get parts for the machine from Japan. D．Have the old washing machine fixed.
【简答题】galvanize 英文解释
【单选题】The ____ is that the new machine will arrive tomorrow.
A.
chance
B.
luck
C.
happening
D.
accident
【简答题】(A) machine (B) new way (C) helping hand (D) chance
【简答题】The new machine ought to (test) ______ before it is put to use.
【单选题】急性浆液性根尖周炎的临床表现除外的是
A.
患牙可有Ⅰ°松动
B.
X线检查根尖周组织影像无明显变化
C.
可有牙体硬组织疾患，或可看到深牙周袋
D.
叩（+）～（++）
E.
疼痛不能定位
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