③He said there should be careful consideration of the future role of the BBC.

　　④Everything taken into consideration，it’s practical.

　　(2)同义句改写

　　If you take all

　　things into consideration，you will find that governments would want to ban drugs.

　　①All things considered，you will find that governments would want to ban drugs.(用独立主格结构改写)

　　②With all things taken into consideration，you will find that governments would want to ban drugs.(用with复合结构改写)

　　18

　　allocate vt.分配，配给；把……拨给

　　多维训练

　　(1)The manager allocates duties to the clerks.

　　经理为职员分配工作。

　　(2)They will allocate fund for housing.

　　他们将拨出建房经费。

　　19

　　in turn依次；轮流；相应地

　　多维训练

　　(1)用in turn，in return填空

　　①Increased production will，in turn，lead to increased profits.

　　②Can I invite you to dinner in return for your kind help?

　　(2)同义句改写

　　They took turns to drive the car.(用turn短语改写)

　　They drove the car by turns.

　　20

　　lead to引起，导致；造成后果result in；通往go in a particular direction

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