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【简答题】
额定电压等级分为 3类,第1类是100 V以下的安全电压;第2类是100~1 000 V的电压;第3类是1 000 V以上的电压。用于一般工业和民用电气设备的属于第 类。
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举一反三
【单选题】Corporate guests in the hotel
A.
like to go swimming during their stay.
B.
do not usually exercise during their stay.
C.
like to use the fitness room during their stay.
D.
tend to spend more time in the hotel bars than tourists.
【简答题】The 4 major steps in deciding the nominees are listed below, but in a wrong order:1. The Academy members will make five choices in each category. 2. Official Charts Company (OCC) compiles the list of ...
【单选题】The 4 major steps in deciding the nominees are listed below, but in a wrong order:1.The Academy members will make five choices in each category. 2.Official Charts Company (OCC) compiles the list of th...
A.
1.2.3.4
B.
2.3.4.1
C.
3.2.4.1
D.
2.1.3.4
【简答题】Although he claims to have left his job voluntarily, he was actually _____for misconduct. A. resigned B. released C. dispelled D. dismissed 2. The company will send a representative to _ th...
【单选题】What did the professor tell the woman to do?
A.
To take some extra time.
B.
To do writing exercise.
C.
To do some work for another course.
D.
To write the story ending first.
【单选题】根据《建设工程监理范围和规模标准规定》，大中型公用事业工程是指项目总投资额在（ ）万元以上的科技、教育和文化等项目。
A.
1 000
B.
2 000
C.
3 000
D.
5 000
【单选题】大中型公用事业工程是指项目总投资额在（）的工程项目
A.
3000 万元以上
B.
3000 万元 ~5000 万元
C.
5000 万元以上
D.
10000 万元以上
【单选题】Springboro Tech is a young start-up company. No dividends will be paid on the stock over the next 15 years, because the firm needs to plow back its earnings to fuel growth. The company will pay a $15 ...
A.
$118.22
B.
$119.19
C.
$120.00
D.
$164.59
【多选题】大中型公用事业工程是指项目总投资额在3000万元以上的工程项目，包括( )。
A.
供水、供电、供气、供热等市政工程项目
B.
科技、教育、文化等项目
C.
体育、旅游、商业等项目
D.
卫生、社会福利等项目
E.
希望工程
【单选题】You should do more ______. Don't always sit at the desk busy doing your ______. [ ]
A.
exercise; exercises
B.
exercises; exercise
C.
exercises; exercises
D.
exercise; exercise
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