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【单选题】
人类进行将一种物质改变为另一种物质的创造性活动,并且作为人类社会发展史上划时代的标志是:
A.
石器的使用
B.
陶器的使用
C.
农业的发展
D.
瓷器的使用
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举一反三
【单选题】At current price, Mr. Smith would keep what they have because
A.
ESPN tries to expand their revenues.
B.
ESPN does not meet their needs.
C.
ESPN asks for too much money.
【简答题】请论述新奥法与传统矿山法的主要区别。
【简答题】Task 3 Directions: Read the following letter. After reading it, you should complete the information by filling in the blanks marked 48 to 52 ( in no more than 3 words) in the table below. You should w...
【判断题】新奥法与传统矿山法的区别在于两种施工方法的级别工序不同,但对围岩的认识和处理基本相同。
A.
正确
B.
错误
【简答题】Task 3 Directions: Read the following letter. After reading it, you should complete the information by filling in the blanks marked 48 to 52 ( in no more than 3 words) in the table below. You should w...
【单选题】Mr. Liu is very ______ with his students as he always tries to make his classes lively and interesting.
A.
familiar
B.
popular
C.
similar
D.
particular
【单选题】We have a high regard for Mr. Smith because he always tries to ______ his principles. [     ]
A.
look forward to
B.
live up to
C.
keep up with
D.
put up with
【单选题】Mr. Bull tries to speculate on the direction of the entire stock market, the most efficient method he should use is to acquire __________.
A.
a stock index futures
B.
a portfolio containing stocks of all traded companies
C.
a currency forward contract
D.
a currency futures contract
【单选题】某种铁碳合金塑性较差,但又要用压力加工方法成型,此时,以选用( )方法的成型效果最好。
A.
轧制
B.
挤压
C.
拉拔
D.
自由锻造
【单选题】传统矿山法与新奥法的区别叙述正确的是( )
A.
传统矿山法采用喷射混凝土支护作为临时支护
B.
新奥法采用木支撑为主或钢支撑作为临时支护
C.
传统矿山法采强调支护结构的闭合
D.
新奥法必须采用监控量测
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