A.keeps going
B.keeps changing her mood
C.keeps making you confused
D.keeps talking about trivial things

A.We should drink as much fruit juice as possible in order to get enough vitamins for our bodies.
B.We can drink as much fruit juice as possible in order to go enough vitamins for our bodies.
C.We ought not to drink as much fruit juice as possible in order to get enough vitamins for our bodies.
D.We must drink as much fruit juice as possible in order to get enough vitamins for our bodies.

A.We should drink as much fruit juice as possible in order to get enough vitamins for our bodies.
B.We can drink as much fruit juice as possible in order to go enough vitamins for our bodies.
C.We ought not to drink as much fruit juice as possible in order to get enough vitamins for our bodies.
D.We must drink as much fruit juice as possible in order to get enough vitamins for our bodies.

A.Only recently did I have a chance to visit my hometown.
B.A chance to visit my hometown came up by sudden until recently.
C.Recently my dream of visiting my hometown would come true.
D.Only recently I had a chance to visit my hometown.

A.which
B.it
C.that
D.this

A.2
B.3
C.4
D.1

A.8,4.
B.11,1.
C.16,2.
D.11,2.

A.Tơ tằm.
B.Tơ nilon-6,6.
C.Tơ axetat.
D.Tơ nitron.

A.Dung dịch HNO3 loãng.
B.Dung dịch H2SO4 loãng.
C.Khí CO ở nhiệt độ cao.
D.Dung dịch HCl loãng.

A.Có thể phân biệt fructozơ và glucozơ bằng dung dịch AgNO3 trong NH3.
B.Khử glucozơ bằng H2 ở nhiệt độ cao thu được sobitol.
C.Tinh bột và xenlulozơ là đồng phân của nhau.
D.Glucozơ bị khử khi phản ứng với dung dịch AgNO3 trong NH3.