may bn viet dai z ko met a

điền T hay F

My uncle í an engineer. His name is Hung. He is going on vacation this summer. First, he is going to visit Ha Long Bay. He is going to stay in a small hotel near the bay for two day. Then he is going visit Da Lat for three days. Finally, he is going to visit some friends in Ho Chi Minh City. He is going to fly home.

a, Mr Hung is going to visit three cities this summer.   T / F

b, He is going to visit Ha Long Bay first, then Ho Chi Minh City, and finally Da Lat.   T / F

c, He is going to stay in Da Lat for three dayd.   T / F

d, He is going to home by train.  T /F

1/ so sánh cơ quan sinh dưỡng của cây rêu và cây dương xỉ? cây nào có cấu tạo phức tạp hơn?

2/ vì sao cây rêu sống ở trên cạn nhưng chỉ sống được ở nơi ẩm ướt?