对于软件的β测试，下列描述正确的是___( )___。
A．β测试就是在软件公司内部展开的测试，由公司专业的测试人员执行的测试
B．β测试就是在软件公司内部展开的测试，由公司的非专业测试人员执行的测试
C．β测试就是在软件公司外部展开的测试，由专业的测试人员执行的测试
D．β测试就是在软件公司外部展开的测试，可以由非专业的测试人员执行的测试
参考答案：D
| 根据对话内容,选用方框内的短语补全对话.并将选用的句子抄写在答题纸的相应题号处。 | |
| A: Welcome to my house, Lucy. Please come in and sit down. B: Thank you, Daisy. A: __1__. B: Yes, please. A: What would you like, tea or coffee? B: Tea, please. A: __2__ B: Thanks. The Spring Festival is coming. __3__? A: Thanks, I'd love to. How do you spend it? B: Families get together. We have many kinds of delicious food. Dumplings are the most popular food. Do you like them? A: Yes, very much. __4__. B: __5__. You're sure to have a great time. A: It will be the first Spring Festival I spend in China.
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