#RFB-11000385Reading: Fill in the BlanksAcademic,CoreMedium
Lithium
Official Question Material
Prep: Varies
The lightest of any solid element, lithium has, until now, played a [blank] role in the industry. Silvery in color, and softer than lead, it has been used mainly as an alloy of aluminum, a base for automobile grease, and in the [blank] of glass and ceramics. It is so [blank] that it is never found in its pure form in nature. Lithium floats on water or, [blank] , it skitters wildly about, trailing a vapor cloud of hydrogen [blank] it dissolves.
Sample Answer & Audio Transcript
The lightest of any solid element, lithium has, until now, played a modest role in the industry. Silvery in color, and softer than lead, it has been used mainly as an alloy of aluminum, a base for automobile grease, and in the production of glass and ceramics. It is so unstable that it is never found in its pure form in nature. Lithium floats on water or, rather , it skitters wildly about, trailing a vapor cloud of hydrogen until it dissolves.
Instant AI Speech & Writing Feedback
Practice This Question with Real-Time AI Scoring
Record your voice or submit your writing to get official Pearson-aligned scores (10-90) across Oral Fluency, Pronunciation, Grammar, and Content in 1.2 seconds.
Pearson Official Scoring Guide for Reading: Fill in the Blanks
Scored Enabling Skills
- Communicative Skills & Enabling Skills
Timing Standard
Response Window: Official Pearson Exam Standard
💡 Examiner Strategy & Pro Tip:Maintain focus on accuracy, timing, and Pearson automated scoring rubrics.