كويز اللغة الإنجليزية السنة الرابعة متوسط — File 1

Which of the following sentences correctly uses the superlative of inferiority to compare the 'danger' level of activities?

• Skydiving is the least dangerous of all extreme sports.
• Skydiving is the least dangerous sport.
• Skydiving is less dangerous than all extreme sports.
• Skydiving is the least dangerous than all extreme sports.

The correct sentence structure for the superlative of inferiority is 'the least + adjective + of/in/at'. The correct answer uses this structure, while the others are grammatically incorrect.

Which sentence properly uses a modal verb to express a remote possibility regarding future travel plans, using vocabulary from the lesson?

• I may visit England next June.
• I will visit England next June.
• I might visit England next June.
• I must visit England next June.

'Might' expresses a more remote possibility than 'may'. The lesson specifies 'might' for 'remote possibility'. 'Will' indicates a definite plan, and 'must' indicates obligation.

Identify the sentence that correctly uses 'as...as' to show equality in 'calorie' content, according to the comparative of equality lesson.

• The chocolate bar is as high than cocoa powder in calories.
• The chocolate bar is high as cocoa powder in calories.
• The chocolate bar is as high as cocoa powder in calories.
• The chocolate bar is higher as cocoa powder in calories.

The correct structure for comparative of equality is 'as + adjective + as'. Only the correct answer follows this structure accurately.

Which of the following sentences gives a command or instruction (imperative) in a recipe for pancakes, using a time sequencer?

• You must heat the pan next.
• Next, the pan is heated.
• Next, heat the pan.
• Heating the pan comes next.

The imperative form is the base form of the verb (heat). The sentence also correctly uses a time sequencer (Next) to indicate the order of steps.

إذا كان الأمل الرياضياتي لقانون احتمال $E = 3.5$، ومجموع $∑ e_i^2 ⋅ p_i = 14.25$، ما هو تباين هذا القانون؟

• $2.50$
• $2.00$
• $2.25$
• $2.75$

التباين يُحسب كالتالي: $Var(X) = E[X^2] - (E[X])^2$. لدينا $E[X] = 3.5$ و $E[X^2] = 14.25$. إذن، $Var(X) = 14.25 - (3.5)^2 = 14.25 - 12.25 = 2.00$.