更多"Old time Australian homes usually h"的相关试题:
[填空题]Old time Australian homes usually had no sliced bread and washing had to be done by hand.
[填空题]Before refrigerators, homes usually had ice boxes. But (47) way to keep food cool without the need for electricity is to use an evaporative cooler. This is easy to make and does not even use (48) .
A common design is a tall box with food placed on several shelves inside. The shelves are pieces of metal with many small holes through them. The sides of the box are (49) with pieces of thick cloth. Containers of (50) are placed at the top and bottom of the cooler. The ends of each piece of cloth lie in the water so the cloth stays wet.
Put the cooler in the open air but not in the sun. (51) will pass through the wet cloth. The inside of the box will (52) several degrees cooler than the outside air temperature. And this may be (53) enough to keep foods fresh at least for a short time.
Cold (54) in a freezer, however, can keep foods in good condition for months after the (55)
[简答题]By the time he was 18 years old, he had developed to the extent that he never listened to his parents’ advice.
[单项选择] By the time we had completed our preparations, the sky was beginning to grow rapidly lighter, although the sun was not yet above the horizon. We waited unpatiently, hardly daring to move or to whisper to one another. Suddenly, we heard the quick beating of wings and one of the birds we were looking for flew up from the valley beyond. He flied straight to the tree and settled on a thin branch, stripped bare of leaves, which grew diagonally upwards from the main trunk. Immediately he began to clean himself, combing with his beak the long soft feathers which grew from beneath his wings and extended past his tail in a glorious red cloud. Charles’’s camera, on a trial run, sounded unexcepted loud, but the bird took no notice and continued with his cleaning until at last he drew himself up and shook himself. Then, head held high, he called a single, loud, sharp note which resounded over the valley. He seemed in no hurry to begin his dance, as he continued to call for a quarter of an hour.
A. as soon as they saw him
B. as soon as he had finished cleaning himself
C. as soon as he settled down
D. some time after they first saw them