logo - 刷刷题
下载APP
【单选题】

How many years does a decade consist of?

A.
15 years
B.
10 years
C.
8 years
D.
100 years
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】Which of the following measures cannot help to save water?

A.
Prevent wastewater from being poured into the rivers.
B.
Promote water recycling systems.
C.
Use less washing machines.
D.
Let people fully aware of the importance of saving water.

【单选题】What does the “bacteria” mean?

A.
very small living things that may cause disease
B.
something helpful to our health
C.
a substance that we do not need to pay attention to
D.
something that we do not know yet

【单选题】The WeChat is a __?

A.
Social app
B.
Searching app
C.
Entertainment app