关于裸子植物的下列叙述中，错误的是（ ）
A．有根、茎、叶的分化
B．开花后，形成果实
C．种子裸露，无果皮包被
D．松、柏、银杏等都是裸子植物
A、裸子植物有根、茎、叶的分化，A正确；
B、裸子植物无花，只有孢子叶球，种子裸露，不能形成果实，B错误；
C、裸子植物只有种子，种子外只有种皮，但无果皮包被着，种子裸露，不能形成果实，C正确；
D、松、柏、银杏等都是裸子植物，D正确．
故选：B
High school seems bigger. There are 36 kids and it’s a totally new environment. It could be a 37 time for new students, 38 ,in fact, it isn’t really that bad. The first day of course is always terrifying, but, then again, the first day of middle school was probably the 39 .Of course you might get lost during the first few days 40 your classes, but after a while what seems like a large school really isn’t. One thing that’s really cool about high school is that there are so many more classes that you can 41 .For example, if you like 42 ,there are many art classes. At the same time, there are 43 classes, which you can’t take in middle school 44 photography and psychology(心理学).There are many new things in high school that make it much more 45 . In high school, you’re able to join more clubs, play more sports, and take part in more 46 ,and at the same time make new friends with kids with the same 47 as you. Also, these activities can give you a 48 to learn something that you might not have had the opportunity to learn in 49 . High school is different 50 everyone, but there’s one thing that’s 51 .You’re going to have just as much fun here as you 52 before. But having fun isn’t enough though! You’re 53 so you have to be more responsible. Everything changes when you get 54 ,but the changes aren’t that bad. You 55 worry too much about growing up.
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