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【判断题】
为迅速判别增、减环,可先给封闭环任定一个方向并画出箭头,然后依次沿着此方向给每个组成环画出箭头,凡箭头方向和封闭环相同的为减环。
A.
正确
B.
错误
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举一反三
【单选题】When you answer questions in a job interview ,please remember the golden rule :Always give the monkey exactly __ he wants .
A.
what
B.
which
C.
  when
D.
  that
【单选题】Section D Directions: This section is to test your ability to comprehend short passages. You will hear a recorded passage. After that you will hear five questions. Both the passage and the questions w...
A.
police officer
B.
office manager
C.
office director
D.
office clerk
【多选题】视频中所展示的考核内容有那几项?
A.
观看视频
B.
讨论
C.
测验
D.
互动
【单选题】Section D Directions: This section is to test your ability to comprehend short passages. You will hear a recorded passage. After that you will hear five questions. Both the passage and the questions w...
A.
have a chat
B.
sell products
C.
read books
D.
make friends
【简答题】(1)将大小适中的废弃塑料瓶洗净后,可作为化学实验的代用仪器.如代替试剂瓶使用,请你再举一例:______.(合理即可) (2)①粗盐提纯实验的操作步骤有溶解、过滤和______; ②请你在下列仪器中挑选出用于粗盐提纯实验的仪器(填编号)______.
【单选题】— _ are you going camping? — July 16th. [     ]
A.
When; On
B.
When; At
C.
What; On
D.
Where; In
【简答题】When you _____________ the city from the tower, it takes on a new look.
【单选题】《城市流浪乞讨人员收容遣送办法》被废除,最根本的原因是( )。
A.
法律不适用现在的社会
B.
内容与宪法相抵触
C.
有新的法律代替
D.
由人大说了算
【单选题】下列实验操作中仪器使用合理的是
A.
用碱式滴定管装 KMnO 4 溶液进行滴定
B.
用 100mL 量筒量取 5.2mL 盐酸
C.
用普通电子台秤称取 5.20gNaCl
D.
用 25 mL 移液管移取 20 mL  0.1 mol/L 的醋酸溶液
【单选题】— Hello. Miss Liu. Are you free this afternoon? — Oh.【16】have to work.
A.
When and wher shag we meet? — How about tomorrow morning?
B.
See you. —【17】
C.
That'll be all right. — It's May 10.
D.
sorry —【18】
E.
What's the date tomorrow? — Shall we go shopping? — I'll be glad to.【19】 — How about 7:00 at my house. —OK. See you then. —【20】 (41)
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