16.Solar-power satellites will use radio waves to beam energy down from space. 2 u2 ]) A: e& K, C# i% W7 J
A.Right 3 S- Z0 [0 c8 {* Y6 K3 `7 X
B.Wrong 1 k0 N5 L$ L3 J [& h
C.Not mentioned 4 B4 \) r1 @# d9 R# l
17.Solaren is going to design 200 solar-power satellites. " Q3 K- A0 o0 n2 W' k# E
A.Right
5 g' O+ c" R0 l2 m* g% x B.Wrong * E. `4 k; b0 I+ s
C.Not mentioned 6 P' C* N3 ~: B* p3 u. F
18.Space-based solar cells could collect solar power only when skies are clear. 6 J0 z6 N e! g) E0 O7 D: X
A.Right $ w u, o) ~- R4 S, m, {
B.Wrong 6 B3 r6 i1 Q) c
C.Not mentioned 2 T- K+ U% B$ y! a# [5 L
19.One advantage of space-based solar power system is that it is economical. ! `& L& E8 r" d! E5 \; ]0 A) M) |+ w
A.Right
5 J) K! S6 z; @ z0 x5 [. _: B4 N; p B.Wrong
. R \- \8 p4 W* {8 s% c6 ? C.Not mentioned 3 q2 C X3 Q; }" Q/ c
20.Inflatable minors are used to reduce the space-based solar power system. # D `- F; @" V0 ]- m8 H( W
A.Right ; ^8 h9 I( b# J6 V* k% w/ c
B.Wrong
% }' Y' I0 c* Z C.Not mentioned
8 v+ j1 v8 L2 r, ? 21.Space-based solar power will rule out other forms of renewable energy sources. 8 n+ P) P7 h' H) |+ ^ A9 E) A
A.Right
0 J6 L" F/ M1 o+ l) ^. Z% T B.Wrong
& M5 k9 v3 n" x" L) N3 Y C.Not mentioned % p' |5 H" c! d7 V! Y$ \! o) U
22.Many countries will grant permission for the use of spaced-based solar power soon.
" q0 D6 C. b0 K" y A.Right
/ o: I$ M/ e, p B.Wrong
2 A5 m% g% C7 U6 |8 e) k5 c1 c C.Not mentioned
& r: l0 n, Y3 Q9 \0 j 答案: A C B B A B C |