40.When I turned to Tony for help, I found that the more he tried to explain, ____________.
A. the more I became anxious B. the more anxious became I
C. the more anxious I became D. I became more anxious
Section B
Directions: Complete the passage by choosing the proper word in the box. There is one extra word you do not need.
|
A.
roots
B. but
C. covered D.
reproduce E. energy F. probably G. gaining H. surrounding I. supplied J. life |
Life on land probably began about 430 million years ago, though it has existed in the water for perhaps as much as 3,000 million years. When we think of the first 41 on land, we 42 think of strange animals coming out of the oceans, but, in fact, no animals could have been living if plants had not been on land first. Plants had to be on land before animals arrived. They 43 the first land animals with the 44 and food necessary, since they ---the plants are the only form of life that is able to get and store 45 .
The first plants to exist out of the water were probably certain kinds of algae ( 藻类 )which were followed by other plants that grew close to the ground and needed water in which to 46 . Once the move to land has been made, however, evolution took place quickly. By the end of 100 million years, plants had developed their 47 , and some have got tree-like forms since height was very important in 48 sunlight. About 300 million years ago, much of the world was 49 with forests of huge trees. In most ways they were like modern trees. They had roots, leaves, wood, but mostly they had not developed seeds.