Many lifestyle patterns do such _____ great harm to health that they actually speed up ____ weakening of the human body.
| A．a; 不填 | B．不填; the | C．a; the | D．不填；不填 |
Only when you are living in a foreign countrythe importance of English.
| A．you can realize | B．you realized | C．did you realize | D．can you realize |
In a new study of African elephants，researchers havefour distinct characters that are among a group.
| A．convinced | B．identified | C．differed | D．existed |
Mo Yan’s novel，Red Sorghum，was made into a film，won the Golden Bear at the Berlin Film Festival in 1988．
| A．that | B．which | C．what | D．it |
As everybody knows，a person I s，the more things he needs to do tomorrow.
| A．the lazy | B．lazier | C．the lazier | D．the laziest |
Online music providers in China hope to set up a plan that will charge individual users for music
| A．prints | B．projects | C．records | D．downloads |