题干

下列关于细胞结构的说法中,正确的是(  )

A:纤维素酶可以分解所有细胞的细胞壁

B:同时具有中心体和叶绿体的细胞一般是低等植物细胞

C:蓝藻在生物进化中的重要意义表现在它具有叶绿体,能进行光合作用

D:细胞中具有双层膜结构的细胞器是叶绿体、线粒体和细胞核

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B

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    Everybody has dreams, but not all these dreams can come true easily. ____ Read on and you can make your dream come true.

    Break your dream down into manageable “projects”. Achieving a dream can be complex and you might need to complete a number of different “projects” as you go forward. ____ Remember that you need to have all the parts and tools you need in order to be successful in achieving your dream.

    Take action on each “project”. Start taking action on each part of your dream. If you can, work on all of your projects at the same time—for example, try to do something for each project each week. ____ And keeping yourself moving forward is one of the best ways to motivated toward achieving your goal.

    ____ Find out how others have accomplished their goal. Do some research to find out how other people have achieved the same dream. Seek out the people who have achieved their dreams and talk with them or read their stories. Find out what they learned from their journey, and what they like best about achieving their dreams. You can find out about other successful dreamers by reading their biographies, watching documentary films, or reading about people on the Internet.

    Always know what's next on your list. As you are taking action on the different projects that lead you to your dream, be sure that you always know what to do next. Being unsure of your next step is one common way that people get stuck in their progress toward a goal. ____ Be sure that you will be ready for each one.

A. Be inspired by others.

B. People give up their dreams for this or that reason.

C. Manage your lime so that there is room for your dream.

D. Each week revisit your project lists to see what tasks are coming up.

E. Achieving your dream might require you to gain new skills or knowledge.

F. Figuring out what the different “projects” arc will move you toward your dream.

G. Even if you are moving in small steps toward your goal, you are still heading in the right direction.