A、Hoy es 20 de abril.
B、Hoy es miércoles.
C、En el mes de mayo.
D、En el año 1946.
第1题
A、vacuolar engulfing of particulate matter
B、exocytosis
C、intake of water by a cell's vacuole
D、expulsion of particulate matter from a cell
E、expulsion of water from a cell
第2题
A.hurriedly
B.soon
C.immediately
D.since
第3题
【填空题】AV Clip 10: A Cup of Coffee a Day Keeps the Reaper awayAV 10 Cup of Coffee a Day Keeps the Reaper Away.mp4 Watch the video clip three times and complete the following passage by filling in each blank with the word from the video clip. Americans drink about 400 million cups of coffee per day and new research suggests that our love might be (1)_________. Coffee drinking may actually lower the odds of having a stroke. Researchers in Great Britain (2)________ nearly 23,000 people who were healthy at the start of the study. Over the next 11 years, people who (3)_______ coffee were 27% less likely to experience a stroke than those who did not drink coffee, even after (4)__________ for other lifestyle habits such as smoking, exercise and tea drinking. Decaffeinated coffee appeared to offer the same benefit. So doctors say it’s not the caffeine that is causing the (5)________ in death risk. They suspect the antioxidants in coffee could lower (6)___________ in blood vessels, but more study is needed to confirm it. In the meantime, experts say people shouldn’t start drinking coffee to help the (7)____________ and they warned that too much caffeine can cause insomnia and heart(8)__________. But for those who are already coffee lovers, it appears it’s bottoms-up.
第4题
A、Because he didn’t like the United States
B、Because he didn’t want Linda, his only child, to leave China.
C、Because he couldn’t accept the American culture.
D、Because he didn’t think the United States is a safe country for a young girl.
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