DAY-2. Errors in Word Choice Exercise 33.1

1) The tips of high-speed dental drills are (_____________) oftungsten steel and often contain
diamonds.

2) A cottage industry is a form of manufacturing (____________) at home.

3) Margaret Mead (____________) fundamental contributions to both the theory and field work of anthropology.

4) Many universities receive grants to (__________) research for the federal government.

5) Research in genetics in the early nineteenth century (___________) much to improve agriculture.

6) Futurologists study current trends to (______________) predictions about the future.

7)  Filmmaker George Lucas has (____________) many advances in the production of motion pictures, especially in the use of special effects.

8) The distinction between wildflowers and weeds is one that is often difficult to (____________).

9) The helicopter can (_____________) jobs that no other aircraft can. 

10)  Yeast is added to dough to (_____________) bread light and porous.