Is it a simile, a metaphor, personification or alliteration?

The classroom is the beating heart of education.

• simile

• metaphor

• personification

• alliteration

The train whistle screamed as the train flew through the tunnel.

• simile

• metaphor

• personification

• alliteration

The idea was a fire in my head.

• simile

• metaphor

• personification

• alliteration

The waxed floor was as slippery as an ice rink.

• simile

• metaphor

• personification

• alliteration

The new washing powder made my clothes smell like a rose garden.

• simile

• metaphor

• personification

• alliteration

The truck groaned under the strain of its load.

• simile

• metaphor

• personification

• alliteration

The rain was a curtain of water on the window.

• simile

• metaphor

• personification

• alliteration

All the world's a stage.

• simile

• metaphor

• personification

• alliteration

The English teacher’s explanation was as clear as mud.

• simile

• metaphor

• personification

• alliteration

After a week without rain, the flowers begged to be watered.

• simile

• metaphor

• personification

• alliteration