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【单选题】
下列属于麻醉药品的是A.
美沙酮
B.
安钠咖
C.
阿托品
D.
磷[32P]酸钠注射液
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【简答题】阅读理解。 Drinking water is good for your health. There are some scientific ways of drinking water. 1. It is the best medicine to drink two glasses of water in the morning. 2. Drink clean water. 3. Drink ...
【单选题】It's important ______ a lot of water when you have a cold. [ ]
A.
to drink
B.
drink
C.
drinking
D.
for drinking
【单选题】— Sally, have you finished the project? — Not yet. — You've failed to do what you _____. Aren't you afraid your teacher will blame you? [ ]
A.
expected to
B.
were expected to
C.
will expect
D.
are expected
【单选题】v11接0.2 V的情况下，用万用电表测量图2.1的v12端得到的电压为多少？图中的与非门为74系列的TTL电路，万用电表使用5V量程，内阻为20kΩ/V。【图片】
A.
0.2V
B.
1.4V
C.
3.4V
D.
5V
【单选题】I have made an ______ for you to see the doctor at eleven this morning.
A.
appointment
B.
arrangement
C.
opportunity
D.
assignment
【单选题】v11接0.2 V的情况下，用万用电表测量下图的v12端得到的电压为多少？图中的与非门为74系列的TTL电路，万用电表使用5V量程，内阻为20kΩ/V。【图片】
A.
0.2V
B.
1.4V
C.
3.4V
D.
5V
【单选题】____ enough water every day is a wonderful way to keep us in good health. [ ]
A.
Drink
B.
Drinking
C.
Drunk
D.
To drink
【单选题】We don’t need heating system, ________.
A.
and nor we can afford it
B.
we don’t afford it
C.
nor can we afford it
D.
nor can’t it afford
【简答题】Xiaoyan: I have most of the things I need.We don' t need to buy any rice, and we don't need any peas. Mary: We need some oranges.How many do we need to buy? Xiaoyan: Four are enough.And we need some c...
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