举一反三
- 4 Complete the words. ► l u n g c a n c e r lung cancer 1 m _ m _ r _ l _ _ s s ____ 2 a r _ r _ t i c ____ 3 b r _ _ n ____ 4 b l _ _ _ ____ 5 s t r _ _ e ____ 6 h _ _ r t d _ s _ _ s e ____ 7 d _ s _ b _ l _ t y ____
- 4 Complete the words. 25ba s t r a i g h t straight 1 p o i n _ _ _ ____ 2 L - s h a _ _ _ ____ 3 c u r _ _ _ ____ 4 r e c t a n _ _ _ ____ 5 v e r t i _ _ _ ____ 6 c i r c u _ _ _ ____ 7 r o _ _ _ ____ 8 c i r _ _ _ ____ 9 t r i a n _ _ _ ____ 10 h o r i z o n _ _ _ ____ 11 s q u _ _ _ ____ 12 p a r a l _ _ _ ____ 13 d i a m _ _ _ ____ 14 s _ _ _ - s h a p e d ____
- 4 Complete the words. ► h u m a n human 1 p r d c t b l e ____ 2 d i s e a r ____ 3 f m n e ____ 4 h r m f l ____ 5 a t m o e r e ____ 6 e n v r o m n t ____ 7 p l l t n ____ 8 l q u d ____ 9 d s s e ____ 10 c l m t ____
- 1 Complete the words ► p r e v e n t prevent 1 i n f _ _ _ i o n ____ 2 b _ n d _ g e ____ 3 t h _ r _ _ g h l _ ____ 4 w _ _ n d ____ 5 b l _ _ d ____ 6 s _ m p t _ m ____ 7 t _ _ p o r _ r _ l y ____ 8 d _ v _ l _ p ____
- 1 Complete the words. ► k n i c k e r s knickers 1 _ n d _ r w _ _ r ____ 2 m _ t _ r _ _ l ____ 3 s l _ _ v _ ____ 4 t i _ _ t s ____ 5 s _ _ d e ____ 6 n _ c k l e ____ 7 b l _ _ s e ____ 8 e a _ _ i n s ____ 9 v _ _ t ____ 10 b _ _ t t _ n ____
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- 0
1 Complete the words. ► o u t s t a n d i n g outstanding 1 e_ _ _ v a l e n t ____ 2 _ _ _ d u c e ____ 3 _ _ _ p o r t i n g r o _ _ ____ 4 _ _ _ i v i d u a l ____ 5 a _ _ r d ____ 6 a c _ _ e v e ____ 7 w_ _ n _ r ____ 8 p _ _ z e ____
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1 Complete the words. ► a rt art 1 h _ st _ ry ____ 2 g _ _ gr _ ph _ ____ 3 b_ _ l _ g _ ____ 4 d _ s _ gn ____ 5 ph _ s _ cs ____ 6 m _ th _ ____ 7 m _ s _ c ____ 8 l _ t _ r _ t _ r _ ____
- 2
下列反应中,哪个是表示ΔH=ΔHfA、gB、r(s)的反应?() A: B: g( C: q)+ D: r( E: q)= F: g G: r(s) H: 2 I: g(s)+ J: r2=2 K: g L: r(s) M: N: g(s)+1/2 O: r2(l)= P: g Q: r(s) R: S: g(s)+1/2 T: r2(S)= U: g V: r(s)
- 3
设有关系R,S和T如下。关系T是由关系R和S经过哪种操作得到的 R A: A B: B C: C D: 1 E: 2 F: 3 G: 4 H: 1 I: 6 J: 3 K: 2 L: 4
- 4
设有关系R,S和T如下。关系T是由关系R和S经过( )得到的。R A: A B: B C: C D: 4 E: 3 F: 2 G: 4 H: 5 I: 6 J: 2 K: 3 L: 4