As if ~ were Activity / with (without)

What is this in Japanese? :

Oysters taste as if they were rich in cream.

What is this in Japanese? :

The snow looks as if it were ice cream.

What is this in Japanese? :

The ice cream looks as if it were made of snow.

What is this in Japanese? :

The boy climbs the tree as if he were a monkey.

What is this in Japanese? :

The monkey runs as if it were a boy.

What is this in Japanese? :

In Tokyo Skytree, the people below on the street look as if they were very small.

What is this in Japanese? :

The students look as if they were tired from studying all night.

What is this in Japanese? :

The man swims fast as if he were a fish.

英語で答えてください！

ジョシュア先生（Joshua Sensei）はまるでアーニャ（Anya）のように話す。

英語で答えてください！

ジョシュア先生はまるで日本人であるかのように考える。