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听力原文:M: Hey, Susan, my classes in this semester are over at last! W: Over? I still have two finals to take and three term papers to finish. M: Take it easy! I can' t wait for the holidays. Where shall we go? W: I haven't even thought about anything but assignments and cusses yet. You got any ideas? M: I really want to have a change. I' d like to go somewhere far away from school and forget about lectures and essays and all that hard work. W: Sounds good to me. How much time do we have before the next semester starts? M: About three weeks, I guess. W: How about if we go to the coast? It would be warm and we can sun ourselves. M: The coast would be good. But let' s look at some other options. There' re mountains in the north. We could go skiing. W: Skiing is exciting, but I really want to get relaxed. M: How about we hop a plane to China? We can spend a quiet time with people there for the Chinese Spring Festival. W: Don' t be joking. Ok, the mountains. But the most important thing for me at the moment is tomorrow' s exam. M: Good luck to you, Susan! I'll start packing. (20)
A.
She still has two finals to take and three term papers to finish.
B.
She also has classes to take.
C.
She has to listen to her professor' s lectures.
D.
She just wait for the holidays.
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【单选题】氯化钠溶解在水形成氯化钠溶液,下列说法正确的是
A.
氯化钠是分散剂;水是分散相
B.
氯化钠是分散相;水是分散剂
C.
氯化钠溶液属于胶体分散系
D.
氯化钠溶液属于粗分散系
【单选题】聚合物的相对分子质量具有 ( )
A.
多分散性
B.
单分散性
C.
单一性
【简答题】前台初始化文件init.php文件包括下面哪些代码()A. define('APP_DEBUG', true); //开启调试时,显示错误报告 B. define('COMMON_PATH','./common/');   //公共文件目录 C. define('UPLOAD_PATH', './upload/');  //上传文件目录 D. 以上都错误。
【单选题】下面哪个文件代表系统初始化信息
A.
/etc/inittab
B.
/etc/init
C.
/etc/proc
D.
/etc/initproc
【简答题】下表是氯化钠、氯化铵在不同温度下的溶解度(单位:g/100g水) ①20℃时,氯化钠的溶解度是___________g/100g水。 ②40℃时,向两只分别盛有42gNaCl和NH 4 Cl固体的烧杯中,各加入100g水,充分溶解后,能形成饱和溶液的物质是____________,其饱和溶液的质量为____________g。 ③采用一种操作方法,将上述②中烧杯内的剩余固体全部溶解,变为不饱和溶液...
【简答题】聚合物的相对分子质量具有(),依据不同的测定方法可得到()等相对分子质量。
【简答题】聚合物的相对分子质量具有______,依据不同的测定方法可得到______、______、______、______等相对分子质量。
【单选题】下列有关溶液的说法中正确的是
A.
溶液是无色、透明的混合物
B.
蒸发溶剂可使不饱和溶液变成饱和溶液
C.
氯化钠在水溶液中以氯化钠分子的形式存在
D.
植物油能溶解在加了洗涤剂的水中
【单选题】个人所得税代扣代缴软件的初始化文件是以压缩文件的形式保存,使用方法是什么()
A.
解压缩,提取初始化文件,在安装个人所得税代扣代缴软件初始化时,往软件中导入该文件
B.
在安装个人所得税代扣代缴软件初始化时,直接导入压缩文件
C.
在个人所得税代扣代缴软件安装完成后,直接解压文件,运行程序,完成初始化
【单选题】聚合物的相对分子质量一般具有()。
A.
多分散性
B.
单分散性
C.
单一性
D.
以上都不对
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