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【单选题】
Which of the following sentence patterns can be used to make a deduction from the author’s research?A.
These results agree with Clinton’s analysis, in that…
B.
These results suggest that…
C.
These findings are understandable because…
D.
…were all highly consistent with the predictions of the theoretical model.
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举一反三
【简答题】将38化成二进制数为（ ） （2） 。
【单选题】散列（Hash）算法是（ ）。
A.
将任意长度的二进制串映射为固定长度的二进制串
B.
将较短的二进制串映射为较长的二进制串
C.
将固定长度的二进制串映射为任意长度的二进制串
D.
将任意长度的二进制串映射为与源串等长的三进制串
【简答题】影响土壤耕性的主要因素是什么?
【判断题】卸妆油属于油类产品,由液态的油性原料和表面活性剂组成。是为迅速清除浓妆或重垢而设计的洁肤产品,清洁力强于清洁霜-洁肤机制是以“油溶油”的方式来溶解皮肤表 面的油溶性彩妆及其他油溶性污垢,其中的表面活性剂可与彩妆、油污 融合,再与水进行乳化,冲洗时将污垢除去
A.
正确
B.
错误
【单选题】One plausible explanation of the U.S. productivity slowdown starting in 1973 is that it was the result of the time needed to adapt to new technology. This explanation would require that
A.
workers withdraw from the labor force to learn about the new technology.
B.
a large number of new entrants be attracted to the labor force.
C.
managers be reluctant to adopt changes.
D.
workers time at their jobs be diverted from production to learning the technology.
【单选题】You manually create an additional listener process，L1，for databases PROD， PAYDB and FINDB. While starting up the listener process，you get the following error message： LSNRCTL> start l1 Starting /u01...
A.
stop and restart the listener process
B.
set the TNS_ADMIN environmental variable
C.
stop all running listener processes and restart the listener process
D.
change the port number to an unused port number and restart the listener process
E.
change the IP address to host machine name in the LISTENER.ORA file and restart the listener process
【简答题】将下列二进制数用8421BCD码表示，或将8421BCD码数转换成二进制数：
【简答题】简述土壤耕作的意义？影响耕性的因素（质地和水是主要）是什么？什么是基本耕作和表土耕作？其中每种措施的特点是什么？熟悉几种农具的特点？为什么粘土是耕性不良的土壤（3方面）？简述三种质地土壤耕作的顺序？
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