举一反三
- When what is referred to occurs in a previous context and the definite article has to point backward for its meaning, this is known as _____ reference. A: forward B: backward C: anaphoric D: cataphoric
- Which of the following sentences is NOT true according to the passage? A: Tropical storms form over water that is above 26.5°C in temperature. B: The rapidly rising moist air cools as it increases and forms tall cumulonimbus clouds. C: Warmer air from elsewhere rapidly moves in to replace the rising air. D: Once over land, where there is less moisture and the surface is cooler, tropical storms quickly weaken.
- Production efficiency occurs when production ( ). A: is at a point beyond the production possibilities frontie B: is on the production possibilities frontier or inside it C: is at any attainable point D: is on the production possibilities frontie
- What is it apparatus that cools the motor?
- 中国大学MOOC: In a traditional structure of a plot, what occurs when events and complications begin to resolve?
内容
- 0
What information should we offer when we reserve an air ticket?
- 1
For example, when a natural disaster occurs, they send emails or ______ on their websites, to let people know what they can do to help, or just to ______.
- 2
Do you know what smog is? Smog is dirty air that looks like (1) _____ and smoke. It is a type of air pollution.In big cities, smoke from cars and (2)_____goes up into the sky and meets the moisture in the air. When the air cools down at dawn, a huge amount of the dirty (3) ___ in the sky comes near the ground. It forms smog. It is a (4) ___ for people all over the country. It is bad for our health and as a result, more and more people have (5) ___ diseases. People need to wear masks to protect themselves in smoggy days.
- 3
When lava cools, it becomes A: liquid. B: water. C: smoke. D: hard.
- 4
It wasn’t such a desirable air conditioner ______ the advertisement had promised us. A: as B: when C: what D: which