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【单选题】
用直接滴定法测定食品还原糖含量时，所用标定溶液是（ ）A.
菲林试剂
B.
样品
C.
葡萄糖标准溶液
D.
酒石酸甲钠
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举一反三
【单选题】Which of the following is NOT true?
A.
a. Recycling conserves resources for the future.
B.
b. Recycling saves valuable raw materials.
C.
c. Recycling helps the environment.
D.
d. Recycling reduces the need for green technologies.
【多选题】Which of the following are social interaction activities?
A.
Role-playing through cued dialogues
B.
Role-playing through cues and information
C.
Improvisation
D.
Following direction
【单选题】Which of the following is NOT true?
A.
a. Earth’s atmosphere, like the greenhouse glass, allows the sun’s light energy to pass through.
B.
b. Earth’s atmosphere, like the greenhouse glass, allows some of the energy absorbed by things on the planet to go back to space.
C.
c. Earth’s atmosphere traps radiation sent by things on the planet and sends it back to Earth’s surface.
D.
d. The more radiation trapped in the atmosphere, the warmer Earth becomes.
【简答题】Which of the following is TRUE according to the information in the form?A．Australia isn’t English5. Which of the following is TRUE according to the information in the form? A．Australia isn’t English-s...
【单选题】Which of the following is right?
A.
Alice failed in an English exam.
B.
Emma is an exchange student from London.
C.
Jack doesn't often struggles to make ends meet.
D.
Lisa can't get along well with her roommates.
【单选题】Which of the following is wrong?
A.
Many people like to go to McDonald's and KFC now.
B.
Eating too much fast food is bad for our health.
C.
Our Chinese traditional food has too much calories than fast food.
D.
In China McDonald's and KFC are also very popular.
【单选题】Which of the following is true?
A.
In the 1960s, computer networks worked well.
B.
In the early 1970s, the Internet was easy to use.
C.
Sending e-mail is now more popular among students than before.
D.
Today it's still not easy to get on-line.
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