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【简答题】
请画出妥类镇静催眠药物结构中五位碳必须()才有活性。或极于水,其钠盐()溶于水
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【单选题】Why is it important that there is ice on Mars?
A.
It means that there is human bacteria on Mars.
B.
It means that there might be life on Mars.
C.
It means that humans can travel to Mars.
【单选题】According to the passage, what has been a major focus of research about Mars?
A.
How Mars compares to other planets in the solar system
B.
Who built the network of canals on the surface of Mars
C.
Whether signs of water indicate that life has existed on Mars
D.
How soon astronauts from Earth will be able to go to Mars
【简答题】– Vorrei un vassoio di pasticcini da un chilo. – Sì. Che cosa ________________? – Mah, facciamo un misto di tutto.
【单选题】[音频] Es un diálogo entre .
A.
un paciente y un médico
B.
el hijo y el padre
C.
dos compañeros
D.
un cliente y un vendedor
【简答题】Oggi studio un pò di storia.
【单选题】( ) un po' di gamberi al supermercato stamattina, ma non avevo più soldi.
A.
Prenderei
B.
Avrei preso
C.
Ho preso
D.
Prendo
【判断题】Tra i dolci ci sono il Panettone, un dolce di Milano, e il pandoro, un dolce di Verona.
A.
正确
B.
错误
【简答题】A．Scientists from 'Mars Underground' want to stay on Mars for a lifetime. B．Scientists from 'Mars Underground' have been paying attention to the manned missions that we have been sending to Mars. C．Ev...
【单选题】What is the Mars Rover?
A.
a machine that is exploring Mars
B.
an astronaut who is exploring Mars
C.
a spaceship that is being sent to Mars
【单选题】Es un diálogo entre ...
A.
un paciente y un médico
B.
el hijo y el padre
C.
dos compañeros
D.
un cliente y un vendedor
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