已知 2Fe3+ +2I- =2Fe2+ +I2 、 2Fe2+ +Cl2=2Fe3+ +2Cl- ;则有关离子的还原性由强到弱的顺序为( )
| A.Cl->Fe2+>I- | B.Fe2+>I->Cl- |
| C.I->Fe2+>Cl- | D.Fe2+>Cl->I- |
Charles was alone at home, with_______ looking after him.
| A.someone | B.anyone | C.not one | D.no one |
It is often ______ that human beings are naturally equipped to speak.
| A.said | B.to say | C.saying | D.being said |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A.continued | B.immediate | C.careful | D.general |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A.as | B.if | C.though | D.unless |
The children loved their day trip, and they enjoyed the horse ride ______.
| A.most | B.more | C.less | D.little |