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【单选题】
CIF术语下投保单是由谁出具的?( )A.
卖方
B.
买方
C.
承运人
D.
保险公司
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反馈参考答案：
举一反三
【多选题】下列哪些属于可授予专利权的主题?
A.
用于美发的染发剂，采用该染发剂后能使头发颜色随光线的变化而变化
B.
防止汽车被盗的装置，在盗窃者强行启动汽车时该装置会释放造成盗窃者神经永久伤害的气体
C.
用于生产同位素的设备，该设备比现有设备具有更好的性能
D.
便于按姓氏拼音顺序翻阅的通讯录编排方法，其与现有编排方法的区别在于按照我国姓名统计的第一个拼音字母所占的比例分配页数
【单选题】某校中学生参加电视台“异想天开”节目栏的活动,他们指出了下列四个设想方案,哪些从理论上讲是可行的
A.
制作一个装置只从海水中吸收内能全部用来做功
B.
发明一种制冷设备,使温度降至绝对零度以下
C.
汽车尾气中各类有害气体排入大气后严重污染了空气,想办法使它们自发地分离,既清洁了空气,又变废为宝
D.
将房屋顶盖太阳能板,可直接用太阳能解决照明和热水问题
【单选题】某校中学生参加电视台“异想天开”节目栏的活动,他们指出了下列四个设想方案,哪些从理论上讲是可行的( )
A.
制作一个装置只从海水中吸收内能全部用来做功
B.
汽车尾气中各类有害气体排入大气后严重污染了空气，想办法使它们自发地分离，既清洁了空气，又变废为宝
C.
将房屋顶盖太阳能板，可直接用太阳能解决照明和热水问题
【单选题】Paleontologists hypothesize that modern birds evolved from the family of dinosaurs that included Tyrannosaurus rex. This hypothesis would be strongly supported if evidence that dinosaurs from this fam...
A.
Fossilized dinosaurs have shown many birdlike characteristics, such as bone structure and winglike arms.
B.
If birds are in fact the descendants of dinosaurs, then it can be argued that the dinosaurs never really died out.
C.
Flying dinosaurs such as the Pteranodon, which is not thought to have been related to modern birds, do not appear to have had feathers.
D.
Soft tissues such as skin and feathers do not fossilize like bones, and therefore are far less likely to have left permanent evidence in the fossil record.
E.
The thousands of dinosaur fossils excavated by paleontologists represent only a tiny fraction of the billions of dinosaurs that once lived.
【单选题】The design of the modern architecture concentrates on usefulness _____ decoration.
A.
rather than
B.
more than
C.
other than
D.
instead
【单选题】In modern linguistics, speech is regarded as mor ebasic than writing, because_______.
A.
in linguistic evolution, speech is prior to writing
B.
Speech plays a greater role than writing in terms of the amount of information conveyed
C.
Speech is always the way in which every native speaker acquires his mother tongue
D.
All of above
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