Английский язык. Ч.3 (Tests 10,11,12). Ильичева Н.А - 6 стр.

5. The ray bends … the normal when entering the water.
6. … light is electromagnetic radiation containing all wavelengths visible to the
   human eyes.
7. … light has a shorter wavelength than … light.
8. A diamond is said to have “fire” because of colourful …, in addition to
   having brilliance due to … …
9. We are well aware that … … bend around the corners while … … do not.
10. The colourful display seen in oil films and soap bubbles can be explained
     by …


E. Fill in the gaps with the verbs in brackets using the to-infinitive or the
bare infinitive form
1. In working out lens problems we usually want … the image distance (know).
2. He saw the magnetic field … the beam of electrons downward in the
   discharge tube (deflect).
3. Diffraction can … rise to interference (give).
4. Polarizing sunglasses allow only the vertical component of the light … (pass).
5. Let’s … certain terms to explain the action of all waves in this figure (use).
6. You had better … polarizing sunglasses if you want to reduce the glare.
   (wear).
7. The extra cargo made the ship … (sink).
8. The Sun will cause the temperature … (rise).
9. He was made … the results of his experiment on the diagram (illustrate).
10. In the course of the upper-air observations with the help of the radiosond we
   saw the carrier balloon … (burst).


F. Put the verbs in brackets into the correct infinitive or the -ing form
1. I can’t help … (wonder) how Andy managers to afford … (run) such an
  expensive car.
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