__________ is the core sentence of a paragraph.

A、Go on the road

B、Walk one block on the street

C、It’s not far from here.

D、Excuse me, where is the nearest train station?

A、C

B、E

C、H

D、I

In the following paragraph, which sentence is the topic sentence? 1)In the past three decades, China has developed its economy, technology and international trade. 2) Economic development has now pushed China to become the second largest economy in the world. 3) Technological development means China is a world leader in scientific discovery and production. 4) The development of international trade has connected China to the entire world. 5) These advances have significantly increased China’s GDP and the quality of life for everyday Chinese citizens.

A、Sentence 1

B、Sentence 2

C、Sentence 3

D、Sentence 4

Knowledge of sentence structure is the object of study of all schools of grammar. ()

Which sentence is the main idea of Paragraph 2?______

A．The first sentence

B．The second and the third sentences

C．The fourth sentence

D．The last sentence

Sentence meaning is the combination of the meanings of the component words and______.

The compound word "quick-fix" in Paragraph 1, Sentence 3 is the closest in meaning to______

A．an optimal solution

B．an expedient solution

C．a ready solution

D．an efficient solution

The second sentence of the first paragraph "...he could not think why the dawn seemed different, rent from any other" means that______.

A．he felt the dawn of that day different

B．he didn't feel the dawn of that day different

C．he was sad that day

D．he wanted to find a wife that day