介绍:
1) The finless porpoise live in the coastal waters of Asia, Which of the following areas are they not especially found in?
a) Bangladesh
b) China
c) Indonesia,
d) Malyasia
2) How deep are the waters Finless Porpoises usually stay in?
a) 50+ meters
b) 100+ meters
c) 150+ meters
d) All of the above
3) Which of the folllowing physical features cannot be used to distinguish a finless porpoise?
a) Their flippers are moderately large, reaching up to 20% of the total body length.
b) Adults are typically a uniform, light grey color
c) They are heavy weighing at least 72kg
d) They can grow to as much as 2.27 m (7 ft 5 in) in length
4) Which of the following statements about the finless purpoises diet is true?
a) The only eat fish and shrimp
b) They are strict vegetarians
c) They eat both fish and vegetatables
d) They mainly eat fish that are bigger than themselves
5) Which of the following can be best used to describe the swimming style of the finless porpoise?
A) Their acrobatics in the water
B) swimming very low beneath the surface
C) Their ability of jump and flip out of the water
D) Their gentle and elegant rolling motions when they breathe.
6) In the Yangtze river which kind of groups can finless porpoises usually be found in?
a) couples
b) groups of three to 6
c) mostly on their own
d) in large groups of 10 plus
