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【判断题】
在新闻摄像时,当光比反差很大时,一般是用手动光圈,以保证主体的正确曝光。
A.
正确
B.
错误
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【简答题】辨析 alone 和 lonely| 22. —I don't like go shopping _____. Can you go together with me? —Certainly. I am free A. alone B. nearly C. lonely D quickly 23. Joe was in a foreign country himself, imag...
【简答题】The Old Man and the Sea ia a famous book around the world. The writer, Hemingway, got the Pulitzer Prize ( 普利策奖 ). Hemingway wrote the book in 1952, and it was thought a classic example of Hemingway w...
【简答题】I.根据词的首字母填空: 1).Please say t___to your mother. 2).There was n___left. 3).I feel d___. 4).You look very h___ this morning. 5).It tastes d___. II.用所给词的适当形式填空: 1).How could you do that___ (silly) thing? ...
【单选题】两面紫色或仅下面紫色,下表面具多数凹点状腺鳞,叶柄紫色或紫绿色的中药是( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
罗布麻叶
B.
枇杷叶
C.
紫苏叶
D.
侧柏叶 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【简答题】A pine tree ( 松树 ) in California was regarded as ( 被认为 ) the oldest tree in the world. People thought it was nearly 5,000 years old, but they could not be sure. Then someone cut the tree down with a c...
【多选题】下列化合物中含有π键的是
A.
丁烷
B.
2-戊炔
C.
2-甲基戊烷
D.
2-丁烯
E.
1,4-戊二烯
【单选题】两面紫色或仅下面紫色,下表面具多数凹点状腺鳞,叶柄紫色或紫绿色的中药是( )
A.
罗布麻叶
B.
枇杷叶
C.
紫苏叶
D.
侧柏叶
【单选题】两面紫色或仅下面紫色,下表面具多数凹点状腺鳞,叶柄紫色或紫绿色的中药是 ( )
A.
枇杷叶
B.
罗布麻叶
C.
大青叶
D.
侧柏叶
E.
紫苏叶
【单选题】下列有机化合物中,含有π键的是( )
A.
CH 2 =CH-CH 3
B.
CH 3 —CH 2 —OH
C.
CH 3 —NH 2
D.
CH 4
【判断题】针对一般性购买,要提供方便的商品目录检索。
A.
正确
B.
错误
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