问题
多项选择题
工业中经常见到的100立方米以上的容器型式是()。
A、立式无折边球形封头
B、平底锥盖
C、卧式无折边球形封头
D、平底平盖圆形封头
答案
参考答案：A, B, C, D
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工业中经常见到的100立方米以上的容器型式是()。
A、立式无折边球形封头
B、平底锥盖
C、卧式无折边球形封头
D、平底平盖圆形封头
参考答案：A, B, C, D
| 选择最恰当的单词或词语，完成短文。 |
| Canada is one of the few 1 in the world to have two official languages: English and French. There are 10 provinces (省) in the country but only one of these —Quebec( 魁北克 ) is known as "French Canada". This is because it was founded by French explorers while British adventurers discovered and governed the rest. Canada left the British empire in 1867 to become an independent country, and English and French have been recognized as the official language ever since. |
 | Most people speak English as their first language and the two 2 television networks broadcast in English throughout the country. Apart from in Quebec and a few places on the east coast, French television is very rare. The same goes 3 traffic signs and menus, for example, Outside of Quebec, there are only a few places 4 you'll see traffic signs in French. And in restaurants, it's 5 impossible to find French on the menu unless you are in the heartland of French Canada. However, all products sold in Canada must, 6 law, have labels and instructions in both languages. |
| In Canada's English-speaking provinces, official bilingualism (双语) means that students can 7 to complete a special French course. Under this program, they are taught most of their subjects in French. |
| ( )1. A) nations ( )2. A) local ( )3. A) to ( )4. A) that ( )5. A) almost ( )6. A) in ( )7. A) choose | B) country B) individual B) on B) which B) mostly B) to B) be able to | C) land C) private C) for C) where C) hardly C) for C) like | D) place D) national D) at D) when D) really D) by D) want |
