1

In the fragment of Text I “we urgently need to take stock of policy initiatives around the world" (lines 21-22), take stock means to

2
In paragraph 9, there is the information that in RoboCup competitions the game referee and the team coaches are
3

According to Text I, one of the guiding principles for clean energy investment is

4

In the fragment of the text “Due in part to the turn away from oil in the 70s, today the United States produces just 0.7 percent of its electricity using petroleum. Therefore, the price of oil has no direct impact on the price of electricity” (lines 25-28), the linking word therefore introduces the idea of
5

In the fragment “The threat to stability is all the greater given that Iran is likely to win any such clash and to treat the result as a licence to reassert its influence in the region" (lines 17-20), given that can be replaced, without change in meaning, by

6
In the sentence fragment of the fifth paragraph “Designing robots for sports requires much more than experts in state-of-the-art technology”, the words in bold can be replaced, without any change in meaning, by the following words:
7

In the fragment of the text “It all comes down to the relationship between oil and gas production and the price of electricity, which directly affects the bottom line of technologies like wind and solar” (lines 14-17), the pronoun which refers to
8

Based on the meanings in Text I, the two items that express synonymous ideas are

9
In the 2nd paragraph of the text, in the fragment “That determination would appear to eliminate the possibility that Navy pilots who reported seeing unexplained aircraft”, the word who refers to
10

In the fragments “some recent data suggests that as economic growth has picked up" (lines 47-48) and “Beijing has high ambitions for a much cleaner energy economy, driven not least by the levels of air pollution in many of the major cities" (lines 49-51), picked up and driven by mean, respectively,