可以用CH3I烷基化,但得到的产物是而不是请给以说明。
第1题
A.yet
B.or
C.neither
D.while
第2题
He can speak English, French _____German.
A、as well
B、as good as
C、as well as
D、but also
第3题
Can you speak either English or French?(英译汉)
第4题
She can speak French and German, to ______ nothing of English.
A.say
B.speak
C.talk
D.tell
第5题
She can speak French and German, to ______ nothing of English.
A.say
B.speak
C.talk
D.tell
第6题
A、speak
B、spoke
C、tp speak
D、have spoken
第7题
He can speak Spanish and French ________.
A.too
B.also
C.neither
D.as well
第8题
According to the speaker, Xiao Wang ______.
A.speaks and writes well in German but does not know much about French or English
B.speaks well in German, French and English but does no write well in any of them
C.speaks and writes better in German than in French or English
D.speaks and writes well in German, French and English
第9题
A.A.speak
B.B.spoke
C.C.to speak
D.D.have spoken
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