税收减少的供给方面的影响使得潜在GDP________,同时总供给________。
A. 增加;增加
B. 增加;减少
C. 减少;增加
D. 减少;减少
E. 增加;不变
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Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?
A. Leaking seal ring
B. Insufficient heat transfer from the exhaust valves
C. Blocked cooling water passages to the head
D. Excessive scavenging air provided to the engine
The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the_______.
A. inlet nozzle ring
B. turbine wheel blade
C. diffuser passages
D. inlet volute
如果美联储降低了联邦基金率,解释下面每项会发生什么变化。 a.企业投资。 b.家庭购买新车和房产。 c.美元在外汇市场上的价格。
what is the maximum blood alcohol concertration (BAC) rate on board ?