Unit_Test_11_Key.doc

Technical English Test Masters Level 2 (Pre-Intermediate)

Unit Test 11 Answer Key

1              1 d / 2 b / 3 a / 4 c / 5 d / 6 c

2              7 D / 8 H / 9 B / 10 E / 11 J / 12 I / 13 A / 14 F / 15 C / 16 G

3              17 thrust / 18 weight / 19 drag / 20 lift

4              21 B / 22 A / 23 D / 24 C

5              25 capsule / 26 air pressure

6              [different answers are possible] 27 The function of the propellers is to make the air flow smoothly, which reduces wing drag (or and to reduce wing drag). / 28 The strength of this design is that it consumes (or uses) 30% less fuel than today’s planes./ 29 The main weaknesses are that the plane is slower (at 675 km/ h) than other designs, and it is noisier. / 30 To improve the design, I would suggest that the propellers should be located at the rear of the plane.