There are several research centers in China ______ certain diseases are being studied.
where
举一反三
- There are several research centers in China a certain disease called bird flu is being studied.
- There are several research centers in China________a certain disease called Bird Flu is being studied. A: which B: where C: when D: what
- Certain diseases of the brain are suffered by human being _____.
- Some diseases are ________ by certain water animals.
- 5. The traditional silk centers in China are and provinces.
内容
- 0
Marketing research consists of several
- 1
The silkworm is an insect worth_____. A: to study B: studying C: to be studied D: being studied
- 2
The passage mainly talks about ______. A: the effect of diseases B: how to control the number of certain animals C: the relationship between diseases and human population D: different kinds of diseases
- 3
Being a model _________ her with a certain glamour.
- 4
19.中国花了近2000亿美元用于研究和开发。 A: China spent nearly $200 billion on research and development. B: China spent nearly $200 million on research and development. C: China spent nearly $20 billion on research and development. D: China spent nearly $20 million on research and development.