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【单选题】
按液化气的主要成分不同可划分为 。A.
LPG,LNG,LCG
B.
LPG,LNG,LBG
C.
LPG,LBG,LUG
D.
LNG,LCG,LUG
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【多选题】Which of the following statements are true about customs clearance_____?
A.
import cargo can be landed at any port
B.
the customs authorities only inspect the goods imported physically
C.
the customs authorities have powers to examine the goods imported
D.
before permission is given to remove the goods out of customs control, the owner or agent is required to submit a bill of entry
【简答题】The UN should ﹍﹍ theestablishment of Iraqi government after the war, I think. A. takepart in B. playa leading role in C. playa role among D. playa important part for
【单选题】放射免疫分析法的基本原理是
A.
标记抗原与非标记抗原同时与过量抗体进行竞争性免疫结合
B.
标记抗体与非标记抗体同时与限量抗原进行竞争性免疫结合
C.
标记抗原与非标记抗原同时与限量抗体进行非竞争免疫结合
D.
标记抗体与非标记抗体同时与过量抗原进行竞争性免疫结合
E.
标记抗原与非标记抗原同时与限量抗体进行竞争性免疫结合
【单选题】Governmen t corruption
A.
impede s th e coordinatin g powe r o f market s an d discourage s investment.
B.
impede s th e coordinatin g powe r o f market s bu t doe s no t discourag e investment.
C.
doe s no t imped e th e coordinatin g powe r o f markets , bu t doe s discourag e investment.
D.
ca n neithe r imped e th e coordinatin g powe r o f market s no r discourag e investment.
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