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【单选题】
( ) is the most commonly used transportation mode, which occupies 80% of international transportation.A.
Railway transportation
B.
Marine transportation
C.
Parcel transportation
D.
Air transportation
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举一反三
【简答题】MPN是指 。
【单选题】下图为中国 “雪龙”号科考船在澳大利亚与南极洲之间2次往返的路线图,航行途中危险系数高,航线选择十分关键。2018年11月我国展开第35次南极科考工作,计划在中山站附近建立我国首个南极永久机场。此前,考察队员在中山站附近发现一处“蓝冰”(“篮冰”是指由积雪压实形成的冰川冰,最初呈白色,经过漫长岁月,气泡逐渐减少,冰体晶莹透彻),适合机场建设。 据此完成下列各题。 “雪龙”号科考船在穿越澳大利亚与南...
A.
海水温度
B.
洋流流向
C.
海洋生物
D.
气象资料
【单选题】Unless I was ______ mistaken, there was. something wrong with Louise.
A.
very much
B.
too
C.
almost
D.
very
【单选题】In the past, he rarely spoke unless others were speaking about something that ______ to him.
A.
tended
B.
addicted
C.
appealed
D.
applied
【简答题】通过命令( )可以查看表或数据字典的字段信息,即表或数据字典有哪几列。如果想了解oracle有哪些数据字典供我们管理或查询,可以通过数据字典的数据字典( )进行查询获取。
【单选题】Unless you have planted something, you won’t be able to know the pleasure of watching the thing you have planted .
A.
grown
B.
growing
C.
to grow
D.
to be grown
【简答题】Life is to be enjoyed. There’s no point in giving up something you enjoy unless you get something back that’s even better. When people eat more healthfully, exercise, quit smoking, and manage stress b...
【单选题】巴比妥类药物随剂量由小到大药理作用依次表现为( )
A.
镇静、催眠、抗惊厥、麻醉
B.
静、催眠、麻醉、抗惊厥
C.
催眠、镇静、抗惊厥、麻醉
D.
镇静、抗惊厥、麻醉、催眠
E.
镇静、麻醉、抗惊厥、催眠
【单选题】She won't contact you, ______ something unforeseen happens.
A.
as
B.
since
C.
though
D.
unless
【单选题】巴比妥类药物随剂量由小到大药理作用依次表现为( )
A.
镇静、催眠、抗惊厥、麻醉
B.
静、催眠、麻醉、抗惊厥
C.
眠、镇静、抗惊厥、麻醉
D.
静、抗惊厥、麻醉、催眠
E.
镇静、麻醉、抗惊厥、催眠
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