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阅读理解 Planninga visit to the UK? Here we help with ways to cut your costs. AVOID BIG EVENTS Big sporting events, concerts andexhibitions can increase the cost of accommodation and make it harder to find aroom. A standard double room at the Thistle Brighton the final Friday of theBrighton Comedy Festival (19 Oct.) cost ￡169.15 at Booking.com. A week later, the same room cost ￡118.15. Ifyou can be flexible and want to know dates to avoid -or you're looking for abig event to pass your time—check out sites such as Whatsonwhen.com, whichallow you to search for events in the UK by cit生物的遗体物质有细胞核遗传和细胞质遗传，细胞核遗传是主要的，控制细胞核遗传和细胞质遗传的物质是                            （   ）A．DNA和RNAB．DNA或RNAC．DNAD．RNA