20克糖完全溶解在80克水中,则该糖水的含糖率为______%.
2020+80×100%=20%;
答:含糖率是20%;
故答案为:20.
根据所掌握的文化或背景知识,选择正确答案。
1. Australia is a big country. Australians speak ______.
A. French
B. Chinese
C. English
D. Japanese
2. ______only in China , they look pretty cute and have two big black eyes.
A. giraffes
B. Lions
C. Koalas
D. Pandas
3. ______ wear white uniforms and help doctors in hospital.
A. Bank clerk
B. Doctors
C. Nurses
D. shop assistant
4. In a ______ ,we can read many kinds of books ,but you must keep quiet there.
A. pay phone
B. restaurant
C. post office
D. library
5. Where is New York ? It's in______.
A. the United Kingdom
B. the United States
C. France
D. Canada
6. In Africa , the weather there is often______.
A. cold
B. windy
C. snowy
D. hot
学生贷款的贷款期限最长为毕业后( )年内。
A.3
B.5
C.6
D.9