(
D
) 1. What is the main purpose of developing the Long March-10 rocket?
A. To explore Mars.
B. To build a space station.
C. To send satellites into space.
D. To make astronauts land on the Moon.
(
B
) 2. When is Long March-10 expected to have its first flight?
A. In 2025.
B. In 2027.
C. In 2030.
D. In 2035.
(
B
) 3. How many parts does the new manned spaceship have?
A. One.
B. Two.
C. Three.
D. Four.
(
C
) 4. What is the advantage of the building way of the new manned spaceship according to the last paragraph?
A. It looks more beautiful.
B. It can make it fly faster.
C. It has more reusable parts.
D. It can carry more astronauts.
