Quiz 1

1.单选题：Which sentence has the most formal style?
选项：
A、Don't send anything off until you're told to do so.
B、Please await instructions before dispatching items.
C、Please wait for instructions before sending items off.
D、When they tell you to send them off, you can start to do it.
答案：【Please await instructions before dispatching items.】

2.单选题：Which sentence has the most formal style?
选项：
A、The Ninth Symphony is Beethoven's crowning masterpiece.
B、The Ninth Symphony is Beethoven's best work.
C、We all like Beethoven's Ninth Symphony.
D、Beethoven's Ninth Symphony is one of the favorites among many people.
答案：【The Ninth Symphony is Beethoven's crowning masterpiece.】

3.单选题：Which sentence has the most formal style?
选项：
A、Essential measures should be undertaken at the earliest opportunity.
B、We should undertake any necessary measures at the earliest opportunity.
C、We should do our best as early as possible.
D、Let's do whatever we have to as early as possible.
答案：【Essential measures should be undertaken at the earliest opportunity.】

4.单选题：Which sentence has the most formal style?
选项：
A、Can I ask a question?
B、Hey, I have a question.
C、I'm wondering if I can ask a question.
D、There is a question I'd like to raise.
答案：【There is a question I'd like to raise.】

5.单选题：Which sentence has the most formal style?
选项：
A、Some math problems were given to the test takers.
B、I gave the test subjects some math problems to solve.
C、Test subjects were given a piece of paper with 20 matrices on it.
D、Test subjects were given a task sheet with a series of 20 matrices.
答案：【Test subjects were given a task sheet with a series of 20 matrices.】

6.多选题：What are the typical features of a formal style?
选项：
A、Slangs.
B、Jargon.
C、Phrasal verbs.
D、Non-personal pronouns.
答案：【Jargon.#Non-personal pronouns.】

7.多选题：What are the typical features of an informal style?
选项：
A、Short sentences.
B、“Things” as subject.
C、Passive voice.
D、Questions.
答案：【Short sentences.#Questions.】

8.多选题：What are the typical features of a formal style?
选项：
A、Personal opinions.
B、Objective facts.
C、Specific details.
D、High information density.
答案：【Objective facts.#Specific details.#High information density.】

9.多选题：Which of the following usually uses a more informal style of language?
选项：
A、A chat between friends.
B、A talk show.
C、An ad for a restaurant.
D、A State of the Union address.
答案：【A chat between friends.#A talk show.#An ad for a restaurant.】

10.多选题：Which of the following usually shows a more formal style of language?
选项：
A、A Wechat message to a family member.
B、An email to a professor.
C、A job application letter.
D、A college course report.
答案：【An email to a professor.#A job application letter.#A college course report.】

Quiz 2

1.单选题：A personal bio is usually written from the ______ point of view.
选项：
A、first-person
B、second-person
C、third-person
D、any
答案：【third-person】

2.单选题：A personal bio usually starts with a ______.
选项：
A、full name
B、given name
C、middle name
D、family name
答案：【full name】

3.单选题：Which of the following is the correct spelling for the Chinese name 钱学森, according to The Chinese Phonetic Alphabet Spelling Rules for Chinese Names?
选项：
A、Qianxuesen
B、Qian Xue Sen
C、Qian Xue-Sen
D、Qian Xuesen
答案：【Qian Xuesen】

4.单选题：An application letter to a professor usually takes a ______ style.
选项：
A、very informal
B、semi-informal
C、semi-formal
D、very formal
答案：【semi-formal】

5.多选题：Which of the following are usually included in a personal bio for academic purposes?
选项：
A、title
B、affiliation
C、achievements
D、current work
E、gender
F、marriage status
G、political stand
答案：【title#affiliation#achievements#current work】

6.多选题：Which of the following describes a good first email to a professor for an application?
选项：
A、It relates your work to the professor’s work.
B、It lists out the courses you have studied.
C、It shows your determination to return to China after the program.
D、It includes a touch of flattery.
答案：【It relates your work to the professor’s work.#It includes a touch of flattery.】

7.多选题：Your email to a professor is expected to be ______.
选项：
A、specific
B、respectful
C、relevant
D、detailed
答案：【specific#respectful#relevant】

8.多选题：In your email exchange with a professor, you can mention his/her publications with an effort to _______.
选项：
A、raise an interesting question about it
B、suggest some extensions of it
C、mention some applications of it
D、relate it directly to your work
答案：【raise an interesting question about it#suggest some extensions of it#mention some applications of it#relate it directly to your work】

Quiz 3

1.单选题：A bar code reader is an input ______ to read the information of bar codes.
选项：
A、device
B、term
C、simulation
D、process
答案：【device】

2.单选题：Algorithm is a set of ______s a computer follows in calculations or other problem-solving operations.
选项：
A、rule
B、simulation
C、process
D、app
答案：【rule 】

3.单选题：Machine Learning is the______ of getting computers to learn and act like humans do, and improve their learning over time in autonomous fashion, by feeding them data and information in the form of observations and real-world interactions.
选项：
A、science
B、term
C、rule
D、collection
答案：【science】