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【判断题】
用EDTA测定Ca2+、Mg2+总量时,以铬黑T作指示剂应控制pH =12。 ( )A.
正确
B.
错误
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举一反三
【简答题】What will the woman probably do?
【简答题】What will the man probably do?
【单选题】What probably is the relationship between the man and the woman?
A.
They worked together.
B.
They studied together.
C.
They are husband and wife.
【单选题】What will the succeeding paragraph, should there be one, most probably discuss?
A.
Efforts to examine other brain areas of autistic persons.
B.
Ways to stimulate the growth of white matter wiring.
C.
Other problems autistic persons may suffer from.
D.
Mysteries why white matter is so important.
【单选题】With the financial crisis _____ across the globe, a lot of companies have shut down and many people have been out of work.
A.
to spread
B.
being spread
C.
spread
D.
spreading
【单选题】What does the man say about the womans car?
A.
It probably won't cost a lot to repair.
B.
It's probably difficult to drive.
C.
It should be deserted by the woman.
D.
It's rather small.
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