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【简答题】
视细胞中,能感受强光和色光刺激的感光细胞称为 细胞,它能合成的感光物质 ;能感受弱光刺激,但不能辨色的感光细胞称为 细胞,它能在维生素A的参与下合成感光物质 。
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【单选题】—What are you doing the day after tomorrow? —I _____ babysit my sister. My parents are not at home. [ ]
A.
can
B.
have to
C.
could
D.
can't
【单选题】—Can you go to the mall with me this Sunday? —________, because I have to babysit my sister.
A.
Sure
B.
No
C.
Yes
D.
Sorry
【简答题】动词填空。 1. I ______(babysit) my sister this evening. 2. Tom ______(visit) his cousins tomorrow afternoon. 3. You want to go to Canada for vacation. When ______you _____(go)? 4. Why not go _______(boat) ...
【简答题】I will type the report for you if you can babysit your sister in ____.
【单选题】企业取得交易性金融资产支付的价款中包含的已到付息期但尚未领取的利息应记入 ( )科目。
A.
“交易性金融资产”
B.
“应收利息”
C.
“公允价值变动损益”
D.
“资本公积”
【简答题】若a、b和c均是int型变量，则执行表达式a=(b=4)+(c=2)后a的值为 。
【单选题】—Could you play football with me this afternoon? . —I'm sorry. I babysit my sister. [ ]
A.
have to
B.
should
C.
can
D.
may
【简答题】用所给词的适当形式填空。 1. Hello! This is John __________ (speak). 2. I'm __________ (babysit) my brother tomorrow. 3. How about__________ (go) to the beach on Sunday? 4. Would you like __________ (go) to th...
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