La cotation du bloc est élevée.

Because cotation is a feminine noun in French.

French nouns have grammatical gender, so you have to match the article:

• la for feminine singular
• le for masculine singular

So:

• la cotation = the rating / the grade

This gender is grammatical, not necessarily logical, so it usually just has to be learned with the noun.

Du is a contraction of de + le.

So:

• de = of
• le bloc = the block

Together:

• de le bloc → du bloc

This is a standard French contraction:

• de + le → du
• de + les → des

So la cotation du bloc literally means the rating of the block.

Because bloc is being used as a specific noun with the definite article le.

In French, when you say the X of the Y, you often use:

• le/la + noun + de + article + noun

Here:

• la cotation = the rating
• du bloc = of the block

You would not normally say de bloc here, because that would sound incomplete or unnatural in standard French.

Because élevée is an adjective agreeing with cotation, which is feminine singular.

The adjective élevé changes form to match the noun:

• masculine singular: élevé
• feminine singular: élevée

Since the subject is la cotation:

• La cotation ... est élevée.

This is a very common rule in French: adjectives often agree in gender and number with the noun they describe.

Because this sentence uses être (to be) plus an adjective.

Structure:

• La cotation = subject
• est = is
• élevée = high

So the pattern is:

• subject + être + adjective

This works very much like English:

• The rating is high.

French adjectives can appear before or after nouns, but after être, the adjective comes after the verb:

• La cotation est élevée
• Le mur est haut
• La voie est difficile

Yes, élevé / élevée is a common formal or neutral way to say high in contexts like levels, rates, ratings, amounts, or values.

For example:

• un prix élevé = a high price
• une température élevée = a high temperature
• une cotation élevée = a high rating / high grade

French also has haut / haute, but that is more often used for physical height or position:

• un mur haut = a tall wall
• en haut = at the top

So in this sentence, élevée is the natural choice.

It is a simple declarative sentence with this structure:

• La cotation du bloc = the subject noun phrase
• est = the verb
• élevée = the subject complement (an adjective describing the subject)

So the full pattern is:

[subject] + [être] + [adjective]

This is one of the most basic and common sentence patterns in French.

Yes, in bloc, the final c is pronounced.

It sounds approximately like:

• bloc → blok

That final consonant is heard, unlike many other French word endings.

So in the sentence:

• La cotation du bloc est élevée the word bloc is clearly pronounced.

Est is the third-person singular form of the verb être (to be).

Conjugation:

• je suis = I am
• tu es = you are
• il/elle/on est = he/she/one is

Since la cotation is singular, French uses est:

• La cotation ... est élevée.

Yes. Bloc can mean different things depending on the situation.

For example, it can refer to:

• a physical block
• a group or unit
• a boulder / climbing problem in climbing contexts
• other specialized meanings in technical or medical contexts

So the exact meaning of bloc depends on context, but grammatically the sentence works the same way:

• la cotation du bloc = the rating/grade of the block

Because élevée is an adjective, not a noun.

In La cotation du bloc est élevée:

• la cotation du bloc is the noun phrase
• élevée simply describes it after the verb être

French does not use an article before an adjective in this kind of structure.

Compare:

• La voiture est rouge.
• Le prix est élevé.
• La cotation est élevée.

It would usually sound less natural.

While haute does mean high, French tends to use élevée for abstract things like:

• ratings
• prices
• temperatures
• levels
• amounts

So La cotation du bloc est élevée is the more idiomatic choice.

Using haute is more natural for things involving physical height or position:

• une haute montagne
• une table haute

So for a rating or grade, élevée is the better word.