【单选题】The soil that had been converted to ____ flowers was on its way ______ .
【单选题】齿轮传动的重合度为多少时,才能保证齿轮机构的连续传动。
【单选题】齿轮传动的重合度为多少时,才能保证齿轮机构的连续传动。 ( )
【单选题】____________ that way, I'm not sure. [ ]
【单选题】Now, to help creativity grow, we must first make sure we can ______ways and ideas different from our own.
【单选题】Another way of expressing the last sentence underlined is______.
A.
sucker plants grow beside the parent plant and create new banana plants
B.
a new generation of parent plants grows next to the sucker plants
C.
growing next to the parent plant helps sucker plants make a new generation of banana plants
D.
parent plants have sucker plants growing beside them: two generations of plants thus grow together
【简答题】We can ______(sure) that the work shall be done in the right way.
【单选题】The top of the hill is _________,but the trees grow part way up its slope.
【单选题】______ they grow they make sure that what is left in the ground after harvesting______ a natural fertilizer for the next year’s crop.