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【简答题】
In May, 2010, I first visited Toronto when my granddaughter needed a serious operation(手术). She stayed at a hospital in the heart of the city because the hospital provide excellent medical treatment for us.  46  it was a beautiful city, my first impression of it was bad. My husband and I rented a room not far away from the            47  . Every day we walked from our apartment to the hospital. On the way we met many  48  things. Poor people asked for money. People walked around them as if they saw   49  . People there always walked quickly  50  smile. I kept smiling at them saying:“Excuse me” every time when I wanted to pass someone. The city never  51  .. Bright lights and loud music were everywhere. There were many firsts for me when I was in Toronto. It was the first time I saw the lack of humanity(人性的缺失) for our fellow man. The city felt crowd but __52 Though I went to Toronto many times. I had no interest to   53   any wonderful  places. I felt uncomfortable when I was there. When we were back home, I felt comfortable at home. Our neighbors    54  us back with friendly smiles. It is quiet, peaceful and safe. You don’t have to   55   the house or car doors. You can hear water gurgle(汩汩地流)。It’s the life. 小题1:A. Though           B. When            C. If 小题2:A. neighbor          B.garden            C. hospital 小题3:A. unpleasant         B. interesting        C. wonderful 小题4:A. something         B. anything          C. nothing 小题5:A.without            B. besides           C. in 小题6:A. walked           B. slept             C.drank 小题7:A. quiet              B.lonely             C. noisy 小题8:A.introduce           B. describe           C. visit 小题9:A. sent               B. welcomed          C. paid 小题10:A. repair              B.buy                C.close
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举一反三
【单选题】有函数关系如下,能正确表示该关系的程序段是 。 x y x0 x+1
A.
y=x+1; if(x>=0) if(x= =0) y=x; else y=x-1;
B.
y=x-1; if(x!=0) if (x>0) y=x+1; else  y=x;
C.
if (x<=0) if (x<0) y=x-1; else y=x; else y=x+1;
D.
y=x; if(x<=0) if (x<0) y=x-1; else y=x+1;
【单选题】烷烃的卤代反应的中间体是
A.
碳正离子
B.
碳负离子
C.
碳自由基
D.
反应为协同过程无中间体
【判断题】GLONASS卫星轨道面的倾角大于GPS卫星轨道面的倾角,这样更有利于位于高纬度地区的卫星覆盖程度和导航定位精度的提高。
A.
正确
B.
错误
【单选题】下列属于承诺的是()。
A.
招标文件
B.
投标文件
C.
中标通知书
D.
资格预审公告
【单选题】光照条件下,烷烃卤代反应的机制中存在的反应中间体是
A.
碳正离子
B.
自由基
C.
碳负离子
D.
协同反应无中间体
【单选题】有函数关系如下,能正确表示该关系的程序段是()。
A.
y=x+1; if (x>=0) if(x= =0)  y=x; else  y=x-1;
B.
y=x-1; if (x!=0) if (x>0)  y=x+1; else  y=x;
C.
if (x<=0) if  (x<0)  y=x-1; else  y=x; else  y=x+1;
D.
y=x; if (x<=0) if (x<0)  y=x-1; else  y=x+1;
【判断题】以货币资金投资收取的固定利润或者保本利润应按照"租赁服务”税目计缴增值税
A.
正确
B.
错误
【单选题】以下引起亚硝酸盐中毒的情况不包括哪点?
A.
蔬菜腐烂变质
B.
煮熟的菜存放过久
C.
蒸锅水连续使用,不断浓缩或煮菜熬粥
D.
正常烹调的新鲜蔬菜
【单选题】光照下,烷烃卤代反应是通过哪种中间体进行的
A.
碳正离子
B.
自由基
C.
碳负离子
D.
协同反应,无中间体
【简答题】黄色和黄绿色的金绿宝石具有________nm的吸收窄带.它是因含________所致。
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