钢中( )的含量对钢的性质有决定性影响。A.铁 B.碳 C.硅 D.氧

题型:单项选择题

问题:

钢中( )的含量对钢的性质有决定性影响。

A.铁

B.碳

C.硅

D.氧

考点:造价工程师建设工程技术与计量(安装)建设工程技术与计量(安装工程部分)33
题型:单项选择题

2011年,“瘦肉精”、“染色馒头”、“塑化剂”等食品安全事件,再次引发国人对食品安全的忧思。对此,政府应该采取的措施是[ ]

①加强市场监管,防患于未然

②诚信经营,不出售有毒有害食品

③规范市场秩序,完善市场规则

④充分发挥国家宏观调控在市场调节中的基础作用

A、①③

B、②③

C、①④

D、②④

题型:单项选择题

已知孔口出流的流速系数φ=0.97,收缩系数ε=0.64,则其流量系数μ为()

A.0.62

B.0.66

C.1.51

D.1.61

题型:单项选择题

酒积丸功效与作用

题型:单项选择题

句式转换,每空一词。

1. We need much cinnamon. (划线提问)

     ________ ________ cinnamon do you need?

2. The students went to the aquarium to see the dolphins last week. (否定句)

    The students ________ ________ to the aquarium to see the dolphins.

3. Put the bananas and yogurt into the blender. (否定句)

     ________ ________ the bananas and yogurt into the blender.

4. Movie Palace has more comfortable seats than any other movie theater. (同义句)

    Movie Palace has ________ ________ ________seats ________ all the other theaters.

5. I am going to be a basketball player when I grow up. (一般疑问句)

    ________ you ________to be a basketball player when you grow up?

题型:单项选择题

雪利酒、君度酒是著名的利口酒。

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