Water glass can not be used for brushing or impregnation of () to improve its weathering resistance.
A、clay bricks
B、Portland products
C、cement concrete
D、gypsum products
A、clay bricks
B、Portland products
C、cement concrete
D、gypsum products
A、thus
B、while
C、so as to
D、now that
Question 23-26 Complete the summary below. Choose ONE WORD ONLY from the passage for each answer. Write your answers in boxes 23-26 on your answer sheet. The migration of pronghorns Pronghorns rely on their eyesight and 23 ________ to avoid predators. One particular population's summer habitat is a national park, and their winter home is on the 24 ________. where they go to avoid the danger presented by the snow at that time of year. However, their route between these two areas contains three 25 ________. One problem is the construction of new homes in a narrow 26 ________ of land on the pronghorns' route. (23-26题单词请填小写字母;此处请填23题答案)
A、Are the two cases compared truly similar?
B、Are the similarities between the two cases relevant to the thesis?
C、Are there many similarities between the two cases?
D、Can the similarities between the two cases cover different aspects?
A、water glass
B、cement
C、gypsum
D、lime
A、Lime
B、gypsum
C、Portland cement
D、water glass
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