COMPARATIVES 3

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

FILL IN THE GAPS USING THE COMPARATIVE FORM OF THE ADJECTIVES SUGGESTED BY THE CONTEXT


1. STRENGTH: new materials > steel
a) The new materials are steel.
b). Steel isn’t the new materials.

2. ELASTICITY: Dan Urry's elastin = arterial walls
a) Dan Urry’s elastin is arterial walls.

3. TOUGHNESS: biological ceramics > man-made ceramics
a) Biological ceramics are man-made ones.
b) Biological ceramics are man-made ones.
c) Man-made ceramics aren’t their biological counterparts
d) Man-made ceramics are their biological counterparts

4. COST: kevlar > spider silk analogues
a) Kevlar is spider silk analogues.
b) Spider silk analogues are Kevlar.
c) Spider silk analogues aren't Kevlar.
d) Spider silk analogues are Kevlar.

5. QUALITY: new materials > traditional materials
a) The new materials are traditional ones.
b) Traditional materials aren’t the new ones.

6. DIFFICULTY: nylon > spider silk analogues
a. Nylon is to produce spider silk analogues.
b. Spider silk analogues are to produce nylon.