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【单选题】
中国进入社会主义社会的主要标志是A.
1949年中华人民共和国的成立
B.
1953年过渡时期总路线的提出
C.
1954年第一届全国人民代表大会的召开
D.
1956年社会主义三大改造的完成
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【简答题】Directions: You will watch video clips of a speech given by famous US ocean researcher Sylvia Earle, who was named by Time magazine as its first Hero for the Planet in 1998. Watch it carefully and the...
【单选题】The following measures are taken to protect children online EXCEPT
A.
parents will be monitoring Crisp Moderation.
B.
Crisp Moderation will be monitoring the post streams.
C.
parents can reject new friend invitations for their kids.
D.
parents can change privacy setting for their kids.
【单选题】关于免疫荧光技术，叙述错误的是（ ）
A.
血清学方法结合显微镜示踪技术可检测抗原
B.
可进行细菌形态学观察
C.
常用方法为直接法
D.
可用于细菌的快速鉴定
E.
免疫荧光菌球法也属于免疫荧光技术
【单选题】We ______ that we will meet a certain amount of resistance to our short-term plan.
A.
monitor
B.
manifest
C.
articulate
D.
anticipate
【单选题】The focus of Paragraph 4 is on the ______.
A.
replacement of batteries in harvesters
B.
monitoring of batteries in sensor networks
C.
elimination of batteries in sensor networks
D.
impact of sensor networks on power supply
【简答题】实验设计：为了研究某种特异蛋白在细胞中的定位，可以借助免疫荧光技术或免疫电镜技术。请比较免疫荧光技术和免疫电镜技术各自的优点与不足并说明免疫电镜技术详细实验步骤(以辣根过氧化物为标记物)。
【简答题】Watch the video clip. U5_1_1d.wmv Then find out: the expressions you can use to share your opinions about your dream jobs; the occupations mentioned in the video.
【单选题】What is the purpose of the spanning-tree algorithm in a switched LAN?
A.
To provide a monitoring mechanism for networks in switched environments.
B.
To manage VLANs across multiple switches.
C.
To prevent switching loops in networks with redundant switched paths.
D.
To segment a network into multiple collision domains.
E.
To prevent routing loops in networks.
【单选题】Only when ____ possible to settle the problem how to get the machine repaired. [ ]
A.
does the monitor come will it be
B.
the monitor comes will it be
C.
has the monitor come it will be
D.
the monitor comes it will be
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