[单项选择]The energy gained from the sun can then be used during the hight to enable the necessary chemi-cal reactions to _______ in his body.
A. conduct
B. proceed
C. progress
D. practice

[单项选择]The energy gained from the sun can then be used during the night to enable the necessary chemical reactions to ______ in his body.
A. precede
B. proceed
C. progress
D. practice

[单项选择]Sound waves reflected from a hill can be used to estimate______.
A. height of the hill
B. speed of sound
C. distance of the hill
D. intensity of sound

[单项选择]We can learn from the passage that Blackpool used to
A. have as many beaches as Luxemburg.
B. have seriously polluted drinking water.
C. boast some imposing seafront sights.
D. attract few domestic holiday makers.

[单项选择]The planets far from the Sun are (so remote from) any heat (source) that their temperatures are (thought) to be (much near) absolute zero.
A. so remote from
B. source
C. thought
D. much near

[单项选择]Ice can be used to keep food from spoiling.
A. rotting
B. aging
C. toughening
D. evaporating

[单项选择]It can be inferred from the passage that the Sun’s light travels ______.
A. through solid objects in space
B. in many different directions
C. more slowly than scientists previously believed
D. further in summer than in winter

[单项选择]Matter on the Sun can exist only in the form of gas because of the Sun's ________.
A. size
B. age
C. location
D. temperature

[单项选择]Which command can be used from a PC to verfy the connectivity between host that connect through path?（）
A. tracert address
B. ping address
C. arp address
D. traceroute address

[单项选择]Light as it comes from the sun is a mixture of light of many different colors.
A. 太阳光是不同颜色的光的混合物。
B. 太阳光是由多种颜色的光混合而成。
C. 来自太阳的光是由多种颜色的光组合而成。
D. 由多种颜色的光混合而成称为阳光。

[单项选择] Learn from Mistakes You can only learn from a mistake after you （1） you’ve made it. As soon as you start blaming other people (or the universe itself) you distance yourself （2）any possible lesson. But if you courageously stand up and honestly say “This is my mistake and I am responsible” the possibilities for learning will move towards you. Admission of a mistake, even if only privately to yourself, makes learning （3）by moving the focus away from blame assignment and towards understanding. This advice （4）counter to the cultural assumptions we have about mistakes and failure, namely that they are （5） things. We’re taught in school, in our families, or at work to feel guilty about failure and to do whatever we can to （6）mistakes. This sense of shame explains why many people give up on their goals: they’re not （7） for the mistakes and failures What’s missing in many people’s beliefs about success is the fact that the more （8）the goal, the more frequent and difficult setbacks will be. The larger your ambitions, the more dependent you will be on your ability to overcome and learn from your mistakes. But for many reasons admitting mistakes is difficult. An implied value in many cultures is that our work represents us: if you fail a test, then you are a （9）. If you make a mistake then you are a mistake. Learning from mistakes requires three things: putting yourself in situations where you can make interesting mistakes; having the self-confidence to admit to them; being （10）about making changes. （6）内应选（）
A. runs
B. access
C. challenging
D. shameful
E. courageous
F. possible
G. admit
H. failure
I. avoid
J. prepared
K. activities
L. from