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—— Anything wrong, Janet? You have been silent for a long time. — Oh, I about tomorrow's test. I still have two units to review. A. just thought B. have just thought C. had just thought D. was just thinking 22. — Have you fixed to have the concert? — Yes, a lecture hall that can hold an audience of about 2000. A. what B. which C. when D. where 23. The coming World Cup should be a real for football-lovers, when they can enjoy many close matches. A. challenge B. feast C. platform D. occasion 24. — How I wish I had watched the football match last night. — If so, today's examination a total disaster. A. is B. was C. would be D. would have been 25. With some business partners us, our company achieved tremendous achievements. A. to support B. supporting C. supported D. being supported 26. A community of shared future for mankind our government is around the world will benefit everyone on the earth. A. processing B. producing C. providing D. promoting 27. His private museum together with his art collections to the country as a gift. A. has offered B. have offered C. is offered D. arc offered 28. We strongly condemn the US for the arrests of its innocent commercial opponents. A. earnest B. arbitrary C. flexible D. reluctant 29. While square dance disturbs residents, it should not be banned, but to certain areas and certain periods. A. limited B. limiting C. to limit D. to be limited 30. I'm sorry, but I let you down again in the test. -Don't take it too hard. Your English is really well. A. coming on B. working on C. catching on D. taking on 31. We live in the age of distraction, we can be disturbed by all of kinds of useless and false information. A. which B. what C. when D. where 32. It is easy to misunderstand the meaning of an idiom you know the meanings of its separate words. A. unless B. until C. even if D. only if 33. Some western countries tried to take* advantage of the situation of Hong Kong to take control of China. A. in vain B. in person C. in reality D. in relief 34. Jane is going to drive to Nanjing, but I would rather she the train there with us. A. will take B. would take C. took D. had taken 35. — Can I bring Alan to the birthday party tonight? — . Il's great fun to have more people. A. That's all right B. By all means C. With pleasure D. My pleasure
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【简答题】呋喃酚是合成农药的重要中间体,其合成路线如下: (1)A物质核磁共振氢谱共有 个峰,B→C的反应类型是 ,E中含有的官能团名称是 ,D不能够发生的反应有 (填代号)。 ①氧化反应 ②取代反应 ③加成还原 ④消去反应 (2)已知X的分子式为C 4 H 7 Cl,写出A→B的化学方程式: 。 (3)Y是X的同分异构体,分子中无支链且不含甲基,则Y的名称(系统命名)是 。 (4)下列有关化合物C、D的说...
【简答题】相对分子质量不超过200的某芳香族化合物,欲确定其结构,学习小组的同学进行了一系列实验,获得如下信息: Ⅰ.元素分析证明:该物质只含C、H、O三种元素,且氧元素的质量分数为31.6%. Ⅱ.该物质不能与FeCl 3 溶液发生显色反应,其苯环上的一元取代物有两种. Ⅲ.0.1mol该有机物分别与足量NaHCO 3 溶液或足量金属钠反应,均可放出2.24L气体(体积均已折算为标准状况下的体积). (1...
【单选题】下列地西泮的药理作用中错误的是
A.
抗焦虑作用
B.
中枢性肌肉松弛
C.
抗精神病作用
D.
抗癫痫作用
E.
抗惊厥作用
【单选题】下列地西泮的药理作用中错误的是
A.
中枢性肌肉松驰作用
B.
抗焦虑作用
C.
镇静催眠作用
D.
抗惊厥作用
E.
抗精神病作用
【简答题】煤的“气化”是使煤变成洁净能源的有效途径之一,  其主要反应为:C + H 2 O CO + H 2 下图是用煤为原料合成F的路线图(部分反应条件和生成物已略),D的分子式为C 9 H 10 O,且能发生银镜反应。 (1)写出A、D的结构简式:A:_______________             D:________________ (2)关于有机物F的说法正确的是 。 A.属于芳香烃   ...
【简答题】(7分)相对分子质量不超过200的某芳香族化合物,欲确定其结构,学习小组的同学进行了一系列实验,获得如下信息: I.元素分析证明:该物质只含C、H、O三种元素,且氧元素的质量分数为31.6%。 II.该物质不能与FeCl 3 溶液发生显色反应,其苯环上的一元取代物有两种。 III.0.1mol该有机物分别与足量NaHCO 3 溶液或足量金属钠反应,均可放出2.24L气体(体积均已折算为标准状况下的...
【简答题】有机物 A (分子式 C 6 H 10 O 3 )是合成某种隐形眼镜材料的单体, A 可发生如下变化。 已知:①物质 B 是最简单的二元醇,可用作汽车发动机抗冻剂;物质 D 不能发生银镜反应,但能与 NaHCO 3 溶液反应放出气体。 E 常温下为气体。 回答下列问题: ( 1 ) A 中不含氧官能团的名称 ; E 的水溶液的一种用途 ; ( 2 )写出物质 B 在铜催化下与 O 2 反应的化学方...
【单选题】空域增强是直接对图像平面中的像素进行处理,以下图像处理方法中不属于空域增强的是( )
A.
直方图均衡化
B.
边缘检测
C.
巴特沃斯低通滤波
D.
中值滤波
【单选题】法国十七世纪思想家帕斯卡尔说: “人是能思想的苇草”。你认为初中生 的 “独立”是指( )
A.
独立就是按照自己的想法去做
B.
敢于和别人争辩就是独立
C.
独立就是不光提出自己的观点,还要倾听、理解别人的观点
D.
独立就是可以不依赖父母的思想和观点
【单选题】帕斯卡尔是( )思想家。
A.
美国
B.
德国
C.
法国
D.
英国
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