A: has produced
B: has been producing
C: is produced
D: is being produced
举一反三
- In the last few years thousands of films ______ all over the world. A: have produced B: have been produced C: are producing D: are being produced
- 33.Do you know what ______ so much greenhouse gases in the air? A: producing B: has produced C: will produce D: produces
- Carbon dioxide ______ from burning fuels is the most common of the so-called greenhouse gases. A: producing B: having been produced C: to be produced D: produced
- What they produced has not much _______ value. But it is very useful to their research.
- 翻译3 Many good movies have been produced recently, but I still prefer to watch old movies because they are more interesting
内容
- 0
—_____ have you been coughing so badly?<br/>— I have a bad cold. A: How long B: How soon C: How much
- 1
When<br/>the marginal benefit and marginal cost of sodas are equal, then<br/>____. A: the<br/>production of sodas might be allocatively efficient but it is<br/>definitely production inefficient B: the<br/>allocatively inefficient amount of sodas is being produced C: more<br/>sodas should be produced to reach the allocatively efficient quantity D: the<br/>allocatively efficient amount of sodas is being produced
- 2
In recent years, ( ) produced in the process of soil denitrification has been reported to have greenhouse effect. A: NO B: NO2 C: N2O D: N2
- 3
Sunlight can be used to ______ electricity. A: producing B: be producing C: have produced D: produce
- 4
How many Nobel Prize winners has Oxford University produced until now?