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【判断题】
设计图纸中的粗实线一般用来表示原有设备,细实线表示新建设备。A.
正确
B.
错误
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举一反三
【简答题】某投资者预通过蝶式套利进行玉米期货交易，他买入2手1月份玉米期货合约，同时卖出5手3月份玉米期货合约，再（ ）。
【单选题】The author mentions the Cyprus jugs to illustrate that
A.
it is hard for archaeologists to distinguish artifacts.
B.
there are still many artifacts to he discovered.
C.
archaeologists consider every artifact valuable.
D.
some artifacts are not practically valuable.
【简答题】动物对饲料的消化方式有（ ）、（ ）和（ ）。
【简答题】动物对饲料的消化方式包括（ ）、（ ）和（ ）。A. 物理性消化 化学性消化 微生物消化
【判断题】Langue refers to the abstract linguistic system shared by all the members of a speech community. Parole refers to the realization of langue in actual use.
A.
正确
B.
错误
【简答题】动物对饲料的消化方式有( )、( )和( )。
【判断题】Langue refers to the abstract linguistic system shared by all the members of a speech community, parole refers to the realization of langue in actual use.
A.
正确
B.
错误
【判断题】According to the Swiss linguist F. de Saussure,langue refers to the abstract linguistic system shared by all the members of a speech community, parole refers to the speech or oral system of language.
A.
正确
B.
错误
【单选题】The author mentions the Cyprus jugs to illustrate that
A.
it is hard for archaeologists to distinguish artifacts.,
B.
there are still many artifacts to be discovered.
C.
archaeologists consider every artifact valuable.
D.
some artifacts are not practically valuable.
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