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【单选题】
S1:MV Blue Whale, this is Avonport Port Control. Nets with buoys in this area. Please navigate with caution. Over.S2:Avonport Port Control, this is Blue Whale. I will navigate with caution. Over.S1:MV Blue Whale, this is Avonport Port Control. Keep clear of the fairway. Search and rescue in progress. Over.S2:Avonport Port Control, this is Blue Whale. I will keep clear. Over.S1:MV Blue Whale, this is Avonport Port Control. You course is deviating from the radar reference line. Over.S2:Avonport Port Control, this is Blue Whale. What course do you advise? Over.S1:MV Blue Whale, this is Avonport Port Control. Advise make course 120 degrees. Over.S2:Avonport Port Control,.this is Blue Whale. Making course 120 degrees. Over.S1:MV Blue Whale. This is Avonport Port Control. There is a large tanker to the north of you leaving the fairway. You must wait for her to cross ahead of you. Over.S2:Avonport Port Control, this is Blue Whale. I will wait for the large tanker to clear. Over. Q1:What is there in the area?A.
fishing vessel.
B.
fishing nets.
C.
cardinal bouys.
D.
submerged wreck.
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【简答题】车站客运值班员处理失物时,要让失物拾获人填写《 》。
【简答题】绿藻植物水绵的有性生殖中具一种特殊生殖形式即______。
【简答题】Task 4 Frank is receiving a phone call from Anna. Listen to the conversation and fill in the blanks with what you hear.
【单选题】垄断竞争厂商的长期均衡与短期均衡的唯一区别是长期均衡多一个条件,即( )
A.
AR=P
B.
厂商的主观需求曲线必须和长期平均可变成本曲线相切
C.
MR=MC
D.
主观需求曲线和实际需求曲线相交
【单选题】垄断竞争厂商的长期均衡与短期均衡的唯一区别是长期均衡多一种条件,即( )
A.
AR=P;
B.
厂商的主观需求曲线必须和长期平均可变成本曲线相切 ;
C.
MR=MC
D.
主观需求曲线与实际需求曲线相交 .
【单选题】To be frank, that is a great relief to have the task fulfilled in so short a time.
A.
To be
B.
that
C.
fulfilled
D.
so short a
【简答题】t1/2恒定的是（ ）
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