Complete the sentences with one of the word pairs.

analyze\analysis                  assess\assessment

calculate\calculation          demonstrate\demonstration

examine\examination       identify\identification

survey\survey 

1. a. They need to the chemical content in the metal.

     b. Once the data is collected, there will be a/an of it.

2. a. Let me give you a/an on how this works.

    b. He wanted to to her how it works.

3. a. They had to show their before entering the building.

    b. The research will be used to training needs.

4. a. They collect the data and the store profits.

    b. If their is wrong, they have to collect new data.

5. a. It's too early to if the product will be successful.

    b. Her of the production cost was completely inaccurate.

6. a. A recent showed that teenagers prefer to shop online.

    b. The researchers had to two age groups for their report.

7. a. Simon's team had to ways to re- route heavy traffic.

    b. This part of the project still needs a complete .