【判断题】【消耗次数：1】
麦芽糖、乳糖、蔗糖和海藻糖都是双糖。
①
正确
②
错误
参考答案：
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相关题目
【多选题】
下列各方法中能用来鉴别乙醛、葡萄糖和蔗糖的有( )
①
先加托伦试剂，再加莫立许试剂
②
先加塞利凡诺夫试剂，再加斐林试剂
③
先加塞利凡诺夫试剂，再加莫立许试剂
④
先加斐林试剂，再加塞利凡诺夫试剂
⑤
先加莫立许试剂，再加溴水
随机题目
【单选题】
Everything they knew about Newtonian physics was suspiciously letting them ( ).
①
out
②
in
③
off
④
down
【单选题】
The ( ) difficulties of the country will not diminish unless inexpensice fertilisers can be widely distributed.
①
economic
②
economics
③
economical
④
economy
【单选题】
If I ( ) the job, I would do it in a different way.
①
would do
②
do
③
shall do
④
were to do
【单选题】
The workshop has ( ) down and the workers are unemployed.
①
put
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shut
③
pushed
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act
【单选题】
The ( ) news is that work can be fun any time we put human first, everything else second.
①
bad
②
good
③
new
④
neutral
【单选题】
Dont believe it! The signature on the contract is ( ).
①
wrong
②
false
③
fake
④
untrue
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It ( ) an extra hundred years for our brains to have the same reaction.
①
spent
②
cost
③
pay
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It is during her stay in the countryside ( ) she began to learn French.
①
when
②
that
③
which
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what
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We believe that the younger generation will prove ( ) of our trust.
①
worthwhile
②
worth
③
worthy
④
worthless
【简答题】
将句子翻译成英文：如果这份帮助是真诚的，我将愉快地接受它。(offer, genuine)