Complete the sentences below.Write ONE WORD AND/OR A NUMBER for each answer.

填空题 "Growing Area" is about 1kilometres.

填空题 Scientists have taken 1of the soil in the Yucatan.

填空题 The university's own Geology Department has also analysed the 1at the site.

填空题 The 1in Dr Horst's book are very useful and worth studying.

填空题 The student needs a 1to do the presentation.