A:置于潮湿的空气中
B:置于干燥的空气中
C:浸没在蒸馏水中
D:浸泡在植物油中
—My teachers often encourage me _____________ more friends but I find it difficult.
— Your teachers' idea is right. The more friends you make, __________ you will be.
下列各句中,没有语病的一句是( )