第1题:
第2题:
They might eventually cause you unable to sleep.
They help produce a substance that induces sleep.
You must not drink milk if you take them.
They make it unnecessary to take naps.
第3题:
第4题:
第5题:
meet his boss at the appropriate time
arrive at the negotiation table punctually
be good at influencing the outcome of the interaction
be familiar with what the boss likes and dislikes
第6题:
第7题:
第8题:
is under discussion
is about to be set up
has been put into effect
has been perfected
第9题:
第10题: