It isn't said in the passage that L-GG can be used to ______.

A．) lessen symptoms of Crohn's disease

B．) fight against rotavirus

C．) treat traveler' s diarrhea

D．) treat intestinal upsets caused by antibiotics

[单选题]10． —This book is yours，isn't it? —__________。A． No，it is．B． Yes，it's my friends．C． Yes，it's not mine．D． Yes，it's mine．

[单选题]isn't a type of transmission medium used for LANs.A．Twisted pairB．Coaxial cableC．SatelliteD．Optical fiber

[单选题]Great party, isn't it?- _________A.Yeah, really.B.My friends are great.C.Ha

[单选题]22． ________birthday isn't in September．A． Joe'sB． Joe's father' sC． Joe's mother'sD． My

[单选题]John: Mary isn't going to New York next week.Rose: ______

[单选题]It isn't easy to [putup with] people who are impolite.A.tolerateB.acceptC.s

[单选题]It isn't easy to [putup with] people who are impolite.A.tolerateB. acceptC.

[单选题]My son is good ____ languages, but he isn't good at math ___ science.A.at;

[单选题]In line with the passage, if you don't like to write a letter, it's simply because ______.A． you are lazy enoughB． you are busy enoughC． you haven't found the advantages of lettersD． you can't afford too many letters

[单选题]27．__________isn't an English teacher．A． Li QinB． Mrs SmithC． Mr SmithD． B and C