In the sentence "since this is a key to making their products more competitive." (lines 24-25), the word "since":
A "pollution-free" energy source (line 27) means an energy source that is free of pollution. Check the option in which the phrase is also correctly explained.
According to Paragraph 4, the "ideal energy source":
In the sentence "These include the growth rate of consumption, and estimates of how much of the remaining resources can be economically recovered." (lines 47-49), "these" refers to:
Mark the correct statement concerning the ideas expressed in Paragraphs 6 and 7
Numere a 2ª coluna, considerando as informações, presentes no texto, referentes aos poluentes liberados durante a queima dos combustíveis citados na 1ª.
I. Carvão ( ) It's cleaner than coal.
II. Petróleo ( ) It's the cleanest.
III. Gás natural ( ) It's the least clean.
A seqüência correta obtida, de cima para baixo, é:
Based on the text, judge the following items.
Science and technology now play an important role in international diplomacy the same way as uncountable other emerging matters do.
Based on the text, judge the following items.
Diplomats and international civil servants must now increase their technical and scientific knowledge to cope with the new demands coming from emerging issues.
Based on the text, judge the following items.
Numerous UN agencies depend upon scientific and technological advice to carry out their tasks, however they are yet to be ready to receive systematic science consultancy as a crucial component of effectual performance.
Based on the text, judge the following items.
The present use of science by UN does not in every case act in its best interest so as to enforce its goals.
