根据录音，选择合适的答案（） 查看材料
A. Fix the power plug．
B. Figure out the sound problem．
C. Press the play button again．
D. Make some sound．
根据录音，选择合适的答案（） 查看材料
A. She doesn"t want to help the man．
B. She can"t fLX the computer．
C. She can"t send the e-malls now．
D. She doesn"t know how to send e-mails．
构成细胞表面的成分()。
A. 葡萄糖
B. 核糖
C. 脱氧核糖
D. 糖原
E. 糖脂
根据录音，选择合适的答案（） 查看材料
A. She won"t have dinner until finishing the report．
B. She is too busy to have dinner with them．
C. She doesn"t want to have dinner tonight．
D. She won"t finish the report until tomorrow．
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