Choose the correct statement about the "wetting" phenomenon. A．A fiber can be properly we

ead the email below about advertising. Choose the correct word to fill each gap from A, B or C on the opposite page. For each question （）

A．By

B．During

C．Within

Which statement about fiber loading is not correct？

A．the amount of reinforcement in a composite material

B．is expressed in volume fraction

C．a factor influencing the composite

D．the strength of the composite is inversely proportional to the volume fraction of fiber present

[A] a statement you use to convince people that your opinion about something is correct

[B] a debate in which a number of people put forward different opinions.

[C] a conversation in which people disagree with each other angrily or noisily.

Read the advertisement below about a consultant vacancy. Choose the correct word to fill each gap, from A, B, or C on the opposite page. For each question 29-40, mark one letter （）

A．in

B．over

C．on

Which ofthe following statement about hydrogen bonding is NOT correct？

A) symmetrical charge distribution

B) static electrical attraction between positive and negative charges

C) an attraction force between adjacent charges with opposite signs

D) the strongest ofthe secondary bonding