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【多选题】
交通调查的抽样方法主要有( )。A.
简单随机抽样
B.
分层抽样
C.
等距抽样
D.
整群抽样
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举一反三
【单选题】The workers have built a lot of new houses in Shanghai____________.
A.
since a few years
B.
in the past few years
C.
for a few years
D.
a few years ago
【简答题】Make sentences according to the models of sentence structure. Model 2: He took it for granted that he should speak as a representative. 4. the workers thought, it was quite normal, for them to get pai...
【单选题】生理情况下,对组织液生成的有效滤过压发生影响的主要因素是
A.
毛细血管血压
B.
毛细血管血压和血浆胶体渗透压
C.
血浆晶体渗透压和毛细血管血压
D.
血浆胶体渗透压和组织液胶体渗透压
E.
血浆胶体渗透压和组织液静水压
【单选题】用户报告说,在网络子系统的操作系统补丁应用到工作站后,连接到网络资源时执行速度非常缓慢。网络技术人员使用电缆分析器测试链路,并注意到工作站发送的帧数小于64字节,并且还有其他无意义的帧。问题的可能原因是什么?
A.
电缆故障
B.
安装的应用程序损坏
C.
网上驱动程序损坏
D.
以太网信号衰减
【简答题】用方框中所给单词的正确形式填空。 respect, behave, strike, explain 1. The workers were _____ because they wanted more money. 2. The students have great _____ for their history teacher. 3. The little boy __...
【简答题】宋代四大书法家指的是（），四大山水画家指的是（）。
【简答题】The workers had the machines ________(run) all night long to finish the work on time.
【简答题】Some managers have noticed recently that the employees in the company are taking advantage of the policy of having breaks.The workers have two 15-minute breaks per (1) .However, two breaks are lasting...
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