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【多选题】
蛋白质根据结构层次分为A.
四级结构
B.
三级结构
C.
二级结构
D.
一级结构
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】What is said about the speaker?
A.
She studied computer science.
B.
She is a small business owner.
C.
She teaches at Hurley University.
D.
She works for the Chamber of Commerce.
【单选题】If a customer offers the change as a tip, the cabin attendants always offer a polite ___11______.
A.
refusal
B.
exclusive
C.
increasingly
D.
limitations
E.
unrivalled
F.
growth
G.
considerable
H.
recommendation
I.
accepted
J.
willing
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
It takes her long time to be there.
B.
She must have her car repaired.
C.
She must finish something by herself.
D.
She can not find a garage.
【判断题】Statements 7-15 are based on task 8 The speaker was a student from China but studied in the UK a few years ago.
A.
正确
B.
错误
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
1:50.
B.
1:55.
C.
2:00.
D.
2:05.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
1:50.
B.
1:55.
C.
2:00.
D.
2:05.
【简答题】如图，已知∠1=∠2，∠B=∠C。 求证：（1）CE∥BF； （2）∠B=∠3； （3）∠A=∠D。
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
A holiday.
B.
Luck.
C.
Work..
D.
An accident.
【判断题】The speaker lived with students from different countries when she studied in the UK.
A.
正确
B.
错误
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