Each worker puts in nearly 2,200 hours a year, ______ average, and contributes about $30 to GDP per hour.
举一反三
- 单选题 （本题共30小题，每小题45分，共1.5分。）Each worker puts in nearly 2,200 hours a year,（ ）average, and contributes about $30 to GDP per hour. A: with B: in C: on D: under
- Section B Directions: In this section, there are 20 incomplete sentences. You are required to complete each sentence by choosing the appropriate answer from the 4 choices marked A), B), C) and D). Each worker puts in nearly 2,200 hours a year, ____ average, and contributes about $30 to GDP per hour.
- Rush hour travelers are now wasting an average of _____ hours a year stuck in traffic, the worst case being in _____________ (____________), followed by San Francisco, D.C., ___________, ______, San Jose, Dallas, ___________, Atlanta and _____________ (an average of _____ hours).
- The time it took car P to travel 600 miles was 2 hours less than the time it took car R to travel the same distance. If car P’s average speed was 10 miles per hour greater than that of car R, what was car R’s average speed, in miles per hour ？（） A: 40 B: 50 C: 60 D: 70 E: 80
- For one hour’s talk , about how long should you prepare for it? A: 30 minutes . B: About one hour . C: About two hours D: 7.5hours or more