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（请给出正确答案）
A.An oxygen indicator
B.A combustible gas indicator
C.A combination combustible gas and oxygen indicator
D.A flame safety lamp
答案
更多“What is the best instrument for establishing a safe working area before welding in a confi”相关的问题
第1题
the box（将求职信补充完整）.
A.involves the successful management
B.would like to discuss my application further
C.can deal with
D.am a fully qualified social worker with 10 years of experience
E.ability to communicate and reach agreement
F.feel free to contact me
G.is first class
H.enclose my CV for your consideration
I.Yours Faithfully,
J.I look forward to hearing from you.
Dear Mark,
I am very keen to apply for the post of Social Worker that was recently advertised on your website and ().
I () in York City Council’s Social Work Department.My experience () of a demanding caseload that has included elderly people and people who have learning disabilities and / or mental health issues.I () what may be difficult and emotional issues in a calm and practical manner by finding out what is really important to the client’s needs.
My () with other agencies, such as primary care practices and psychology services,() and I have a team approach to establishing what is best of each individual.I am used to working unsocial hours, including evenings and weekends.
I () with you and welcome the opportunity to attend for interview.Please () on the details provided above in case you have any queries for me.
第2题
The term foreign exchange is best defined by the following statement: it is ______.
A．the rate of exchange between two currencies
B．synonymous with currency exchange
C．the place in which foreign currencies are exchanged
D．an instrument such as paper currency, note, and check used to make payments between countries
第3题
W: Both of them must endorse, unless one has authority to endorse for the other.
Q: Which of the following is not right according to the woman？
(18)
A．Both endorse the instrument.
B．Neither of them endorses the instrument.
C．A authorizes B to endorse the instrument.
D．B authorizes A to endorse the instrument.
第4题
What is the best title for this passage？
A．Traveling in Japan.
B．How to Draw a Map.
C．Finding Your Way in Tokyo.
D．The Largest City in the World.
第6题
A.What would you like for dinner
B.Which one do you like best
C.What’s in your schoolbag
第7题
What is the BEST conductor of electricity？
A.Carbon dioxide
B.Distilled water
C.Fresh water
D.Salt water
第9题
A.Designing an Effective Questionnaire.
B.Questionnaire is the best way to collect data from many people.
C.Questionnaire benefits our life.
