阅读下面的句子并选择正确的汉语翻译。 目：1 Having a healthy snack on hand, like a granola bar or fruit can help your blood sugar levels and may provide a healthy boost of energy回答 2 Instead of sending an email to your co-worker, walk to her desk or just take the stairs today, even though youre tired回答 3 Moreover, these people may be friends or strangers — people of your own age, or people who are younger or older than you回答 4 People in different countries have different ideas of what sounds friendly, polite or sincere — and of what sounds rude or unfriendly!回答 选项：