Part 1Basic Information Questions TOEFL? iBT Reading Skills 1 Unit 1Vocabulary 1 Quick Checkup Step 1American Sheriffs Step 23D Printing Step 3Bitcoins Unit TestAn Apple a Day Unit 2Vocabulary 2 Quick Checkup Step 1Lacrosse Step 2Pressure Step 3Moss Unit TestThe Interstellar Medium Unit 3Reference Quick Checkup Step 1Emily Dickinson Step 2Pectin Step 3The Liberty Bell Unit TestLimestone Caves Unit 4Fact and Negative Fact Quick Checkup Step 1The Thracian Tomb of Kazanlak Step 2Electricity Step 3Norovirus Unit TestHeinrich Schliemann Unit 5Sentence Simplification Quick Checkup Step 1The Galapagos Tortoise Step 2American Realism Step 3Saturn Unit TestEffective Demand and Supply Progress Test 1 Part 2Inference Questions TOEFL? iBT Reading Skills 2 Unit 6Inference Quick Checkup Step 1Litmus Step 2Monet at Giverny Step 3Toothpaste Unit TestPlant-Animal Symbiosis Unit 7Rhetorical Purpose Quick Checkup Step 1Canned Food Step 2Motion Capture Step 3Human Skin Unit TestRadio Astronomy Unit 8Insertion Quick Checkup Step 1Axolotls Step 2The Irish Potato Famine Step 3Allergies Unit TestMonsoons Part 3Reading to Learn questions TOEFL? iBT Reading Skills 3 Unit 9Prose Summary Quick Checkup Step 1Musicals and Operas Step 2Michelangelo Step 3The Archaeological Park and Ruins of Quirigua Unit TestEndocrine Disruptors Unit 10Category Chart Quick Checkup Step 1MLB Step 2Lice and Mites Step 3German Militarism Unit TestPier...(ÇÏ·«)