点拨：动名词或动名词短语可以作句子的主语。多数情况下，动名词作主语的句子也可改为动名词作表语的句子。上句可改为：One way to help pandas is teaching children.

再如：吃太多对你的健康不好。 {#blank#}1{#/blank#}

收集邮票是他的爱好。 {#blank#}2{#/blank#}

{#blank#}1{#/blank#} {#blank#}2{#/blank#} advice it is! I like this advice very much.

The discussion {#blank#}1{#/blank#} {#blank#}2{#/blank#} half an hour but they didn't reach an agreement.

Don't {#blank#}1{#/blank#} the car. lt's dangerous.

If you{#blank#}1{#/blank#} {#blank#}2{#/blank#}, no one will make friends with you.