A. It must be something unusual . B. It's a business appointment . C . It's a hot debate on their life . D . It's a private talk . C. It's a hot debate on their life . D. It's a private talk .
【单选题】Choose the letter of the sentence that best expresses the implied main idea of the following paragraph. 1. 1 A puddle of dark liquid under a car indicates a leak in the oil or transmission fluid. 2 An...
A.
Several warning signs can indicate car problems.
B.
A puddle of dark liquid under a car is a sign that a car has an oil or transmission fluid leak.
C.
The most significant warning signal of a car problem is getting lower mileage per gallon of gas.
D.
Various problems may cause a car's fuel economy to decrease.