【单选题】When the truth of sentence (a) guarantees the truth of sentence (b), and the falsity of sentence (b) guarantees the falsity of sentence (a), we can say that _____. A. sentence (a) entails sentence (b) B. sentence (a) presupposes sentence (b) C. sentence (a) is inconsistent with sentence (b) D. sentence (a) contradicts sentence (b)

中国大学MOOC: Please find out an inappropriate word in the following sentence.With the digital explosion has come an abundance of cheap, easy, and addictive pieces of online content for us to snack on.

What type of sentence does the sentence fall into: “The brain and the head need a continuous supply of blood.”? ( ) A: Simple sentence B: Compound sentence C: Complex sentence D: Compound-complex sentence

Part II. Identify the sentence type. (Simple sentence=简单句；Compound sentence= 并列句；Complex sentence=复合句；Compound-complex sentence=并列复合句)It is raining; I have to find a shelter. A: Simple sentence B: Compound sentence C: Complex setnence D: Compound-complex sentence

What type of sentence does the sentence fall into: “Job opportunities are available to college students in summer holidays.”? ( ) A: Complex sentence B: Compound-complex sentence C: Simple sentence D: Compound sentence

In a paragraph, the topic sentence is _______. A: always the first sentence B: always the last sentence C: usually, but not always, the first sentence D: usually, but not always, the last sentence

Which sentence is the inverted sentence?

Supporting sentence is a sentence that develops the topic sentence by giving specific and factual details.

Not only a complete sentence, but a sentence fragment treated as a sentence, should begin with a letter.

Which sentences offer evidence to the claim? A: Sentence ⑦⑧ B: Sentence④⑤ C: Sentence①②③