1 . When Tom Blake was a young boy, watching a jet (喷气式飞机) streak across the sky, he knew flying was what he wanted to do when he grew up.

After five years’ training, he finally ________ his dream job in his late twenties — working as an airline pilot. But in 2019, the travel firm he was ________ for collapsed.

By this time Mr Blake had become increasingly ________ the growing threat of climate change, and the aviation industry’s carbon emissions. “I had an uncomfortable________,” he says. “I was really eager to get involved in ________ protest groups, but I knew it would be career suicide, and I had a lot of ________. It would be easier to return to the industry and pay them off.”

Yet with the COVID-19 pandemic grounding aircraft, Mr Blake decided to quit his flying ________ for good. “I prefer flying and ________ interesting destinations, and earning a decent ________.” says Mr Blake. “But when we are ________ the climate and ecological emergency, how could I possibly ________ my needs? We need to think about how to ________ the biggest threat to humanity.”

Giving up his dream job was a ________ decision, he says. “Financially I’ve been really ________ . It’s been challenging.” But he adds, “Taking action has ________ my anxiety.”

Mr Blake is now a climate activist.

4 . 听下面一段较长对话，回答以下小题。