About? of the dust generated on the longwall comes from the cutting action of the shearer drums
A.30%
B.50%
C.70%
D.80%
- · 有3位网友选择 B,占比33.33%
- · 有3位网友选择 D,占比33.33%
- · 有2位网友选择 A,占比22.22%
- · 有1位网友选择 C,占比11.11%
A.30%
B.50%
C.70%
D.80%
A、a perfect western economy
B、represented by America's economy
C、part of America's soft power
D、significantly crumbled by the 2008 financial crisis
A、The Wall Street Journal
B、The Financial Times
C、The New York Times
D、Time
A、It is available nearby.
B、It is cost-effective.
C、There are a lot of wood at the time.
D、It is the best building material.
A、in order to
B、so that
C、to
D、0
A、Because a handwritten note is most impressive, any goodwill message sent by e-mail must always be followed by a more formal handwritten goodwill message.
B、If you frequently communicate via e-mail with the intended receiver and are certain this e-mail will be received, you may send a goodwill message via e-mail.
C、E-mail, personal notes typed on business stationery, and handwritten personal notes are equally appropriate and effective for sending all types of goodwill messages.
D、E-mail can be used for all types of goodwill messages except death condolences, for which a ready-made card is required.
A、0.42 mg/m3
B、0.55 mg/m3
C、0.62 mg/m3
D、0.88 mg/m3
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