问题
单项选择题
表皮是由（）发展出来的。
A.外胚层
B.中胚层
C.内胚层
D.羊膜囊
答案
参考答案：A
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表皮是由（）发展出来的。
A.外胚层
B.中胚层
C.内胚层
D.羊膜囊
参考答案：A
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| Many language learners think their pronunciation is good enough because their teacher doesn't correct them too often or because other students can __1__ them. Pronunciation is the area which is __2__ the least attention to in language learning. Most teachers __3__ just let their students speak and stop them __4__ they say something completely wrong. Working on each student's pronunciation in class is just __5__. Also, the students who are __6__ at pronunciation may be afraid that it will embarrass their classmates if they help __7__ their mistakes. If you believe your pronunciation is good enough to __8__ because it is good enough for your teacher and other students, you may be __9__ when you actually go to a foreign country. One of my friends was the best student in his __10__ class in Poland. When he went to America, he found Americans didn't understand 11 of what he said. Your pronunciation may still be quite __12__ that of a native speaker. If this is the __13__, other people will find it __14__ to understand what you're saying and will not be comfortable with you. __15__, don't think you can communicate in a foreign language __16__ you've tested your skills on real native speakers. __17__ for native or nearnative pronunciation so that people you talk to can communicate with you __18__. In order to achieve this goal, there's __19__ that you will need to start thinking about pronunciation and __20__ time on it. | ||||
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