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【简答题】
The river originates in Qinhai, runs through nine provinces before it empties into the Bohai Sea. (2017,6)
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举一反三
【简答题】They_____ _______ cocoons. Now they ______ ___________.
【多选题】The cocoons will be boiled in hot water in order to __________.
A.
kill the silkworms
B.
ruin the silk thread
C.
wash the cocoons completely
D.
melt the glue among the silks
【单选题】For what purpose should the cocoons be first steamed?
A.
To kill the pupae inside.
B.
To dissolve the sticky coating that binds the silk.
C.
To make sure the strands will not be twisted.
D.
None of these.
【简答题】Now they _____ moths. They____ __________cocoons.
【简答题】They are brown cocoons. ( 改成一般过去时 ) They ________ brown cocoons.
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