Only mosquitoes can change their body,chemistry．,They c-找考题网

单项选择题

A．Only mosquitoes can change their body-chemistry.
B．They can transmit a serious disease.
C．We can wipe them out with new insecticide.
D．Within five years scientists will have found a way to kill them all.

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单项选择题A．Answering the telephone.B．Typing invoices.C．Preparing price lists.D．Operating the machines.

A．Answering the telephone.
B．Typing invoices.
C．Preparing price lists.
D．Operating the machines.

单项选择题A．She doesn’t need a new roll of film yet.B．She still hasn’t finished the first roll.C．She’ll soon have two rolls to be developed.D．She’d like him to develop the first film for her now.

A．She doesn’t need a new roll of film yet.
B．She still hasn’t finished the first roll.
C．She’ll soon have two rolls to be developed.
D．She’d like him to develop the first film for her now.

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