-- How did you find your trip to Huangshan?
-- ______ .
| A．I went there by air | B．A friend took me there |
| C．Wonderful indeed | D． In a travel book |
That Xiao Shenyang was elected_____model worker of May Day caused ____enthusiastic discussion in China.
| A．the; the | B．a; an | C．the; a | D．a; the |
----What do you know the _____ of are the pig influenza in humans?
---- usually similar to regular human seasonal influenza .
| A．symptoms | B．sympathy | C．symbol | D．symptom |
People go out with masks,________.
| A．fear of swine flu. | B．afraid of swine flu. |
| C．fearing of the pig flu. | D．being afraid of swine flu.. |
The dead rate is _____ pigs and recovery usually ______ within 7-10 days.
A low in; occurs B.rich in;happens
C.high in; came aboutD.poor in;took place
_____ three influenza type A virus subtypes(子类型) have been found in pigs.
| A．By far | B．As far as | C．So far | D．Till far |