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【单选题】
()是研究生物与环境之间相互关系及其作用机理的科学A.
植物学
B.
动物学
C.
生态学
D.
微生物学
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举一反三
【单选题】The meeting between the writer's family and Tracy's parents was arranged because ______.
A.
the writer and her husband wished to express their thanks to Tracy's parents
B.
the local organ bank wanted to see how both families felt about the donation
C.
Tracy's parents wanted to see someone whose life had been saved by the donation
D.
the two families were linked by the most bittersweet ties imaginable
【简答题】日光灯电路主要由灯管、 ______________和______________等组成。
【简答题】Listen and judge. ( )1. I get up early today. ( )2. My hand hurts. ( )3. I'm going to the bookstore. ( )4. I am going to see a doctor. ( )5. I feel bored.
【单选题】To get up early and to go to sleep early ____ good for your health. A. is B. are C. was D.
A.
is
B.
are
C.
was
D.
were
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