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语法填空:1.5*10=15 慰问信——疫情滞留表示关心 假定你是高三学生,你的同学春节去武汉探亲因新冠状病毒肺炎疫情迅速扩散,他有发热症状而暂时滞留武汉,请你代表全班同学给此时处于焦虑和郁闷中的他写一封英文慰问信。要点如下: 对其表示关心和同情。 2. 对其表示安慰并提供帮助。 3. 表达愿望和祝福。 注意:1. 词数 150 左右;2. 可以适当增加细节,以使行文连贯。 Dear Wang Pin, Knowing that you 1. ________(delay) in Wuhan, I am really getting upset about it. So are our classmates. I'm writing to convey our concern to you 2. _______ behalf of the class. Word came that Wuhan 3_______(be) in bad condition due to the spreading novel Coronavirus. However, dear friend, there's no sense 4________(worry) about it too much. You are supposed to stay optimistic. After all, you merely have a bit of fever. College Entrance Examination is around the corner, you know. So precious is time that we can't afford 5___________(waste) it. 6______ scheduled, our online class will be held on Feb. 8. All of the 7__________( classmate) have access to the Internet courses wherever you are. It is 8____________ (convenience )for us to study, isn't it?Is there anything I can do for you? Feel free to contact me. I 9__________ (sincere) expect that you can make 10________quick recovery and return to normal. Yours, Li Hua 1._______________
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【单选题】He had gone away on business and would notreturn to the hotel until the next day—should have to wait till_________I couldthank him for the present.
A.
afterwards
B.
then before
C.
then
D.
then therefore
【单选题】1.核酸中核苷酸之间的连接方式是:
A.
2′,3′磷酸二酯键
B.
糖苷键
C.
2 ′,5′磷酸二酯键
D.
肽键
E.
3 ′,5′磷酸二酯键
【单选题】核酸中核苷酸之间的连接方式是
A.
2′,3′-磷酸二酯键
B.
3′,5′-磷酸二酯键
C.
2′,5′-磷酸二酯键
D.
1′,5′-糖苷键
E.
氢键
【单选题】核酸分子中核苷酸之间连接的方式是 ( )
A.
2,3-磷酸二酯键
B.
5,3-磷酸二酯键
C.
3,5-磷酸二酯键
D.
1,3-磷酸二酯键
E.
1,5-磷酸二酯键
【多选题】动物体内的主要蓄积部位(贮存库)有( )。
A.
血浆蛋白
B.
肝和肾
C.
脂肪组织
D.
骨骼组织
【判断题】数控机床常用导轨有贴塑导轨、滚动导轨和静压导轨。
A.
正确
B.
错误
【单选题】核酸中核苷酸之间的连接方式是( )P.62西综1997/20西综2002/20
A.
氢键
B.
1′,5′-糖苷键
C.
2′,3′-磷酸二酯键
D.
2′,5′-磷酸二酯键
E.
3′,5′-磷酸二酯键
【单选题】以下能够正确退出循环的是( )。
A.
i=10 Do i=i+1 Loop Until i<10
B.
i=1 Do i=i+1 Loop Until i=10
C.
i=10 Do i=i+1 Loop Until i>0
D.
i=1 Do i=i-3 Loop Until i=0
【单选题】-- When can I play computer games, Mum? --______ your homework _______.
A.
Until, finishes
B.
Not until, will be finished
C.
Until ,is finished
D.
Not until, is finished
【简答题】It has been announced that candidates(应考者) ________ remain in their seats until all the papers have been collected. A.can B.will C.may D.shall
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