The American Navy experiment measured the ocean with

• A、heat

• B、light

• C、rope

• D、sound

Task 1

Paragraph➊

Paragraph❷:

Paragraph❸:

Paragraph❹:

 

A. The first step of research

B.The true nature of research

C. Combining research with education

D. Finding solutions to research questions

E. Trying not to be discouraged by failure

German workers feel Germany is the proper place for foreigners.

• A、True

• B、False

• C、Not Given