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【单选题】
GET 50% OFF THE SUNDAY PAPER When You Purchase Your Favorite Magazine! Beginning February 17, (147) the Denver Express News every Sunday for 50% off the newsstand price when you purchase one of these magazines at a participating FER Grocery Store: Natural Life Men's Quarterly Denver Tonight! Cooking for Non-Cooks Not only will you get your favorite magazine, but you will (148) enjoy the Sunday paper, which comes packed with money-saving coupons, fascinating features, the latest sports highlights and in-depth news (149)! Talk about a super Sunday! Stop by your local FER today! (47)
A.
receive
B.
receives
C.
received
D.
receiving
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【单选题】某双链 DNA 分子中含有 200 个碱基,一条链上 A ∶ T ∶ G ∶ C = 1 ∶ 2 ∶ 3 ∶ 4 ,则该 DNA 分子( )
A.
四种含氮碱基 A ∶ T ∶ G ∶ C = 4 ∶ 4 ∶ 7 ∶ 7
B.
若该 DNA 中 A 为 p 个,占全部碱基的 m n ( m >2 n ),则 G 的个数为 2n pm - p
C.
碱基排列方式共有 4 200 种
D.
含有 4 个游离的磷酸
【单选题】某双链DNA分子含有200个碱基,一条链上A∶T∶G∶C=1∶2∶3∶4,则该DNA分子()
A.
含有4个游离的磷酸基
B.
连续复制两次,需要游离的腺嘌呤脱氧核苷酸210个
C.
四种含氮碱基A∶T∶G∶C=3∶3∶7∶7
D.
碱基排列方式共有4200种
【单选题】The engine is equipped with variable timed injector and electrical indicators. 02010269
A.
The engine is equipped with the injector and indicators.
B.
The engine is equipped with variable timed injector as well as electrical indicators.
C.
The engine is equipped with variable timed injector or electrical indicators.
D.
The engine is equipped with variable timed injector.
【单选题】injector
A.
喷嘴
B.
注射
C.
加油器
D.
增压器
【单选题】fuel injector
A.
喷油器
B.
发电机
C.
阀件
D.
曲轴
【判断题】人类所具有的强大的心理修护能力,对自身的发展具有重要作用。( )
A.
正确
B.
错误
【单选题】某双链DNA有200个碱基,一条链上A:T:G:C=1:2:3:4,则该DNA分子( )
A.
含有 4 个游离的磷酸基
B.
连续复制 2 次,需要游离的腺嘌呤脱氧核苷酸 210 个
C.
4 种碱基 A:T:G:C = 3 : 3 : 7 : 7
D.
碱基排列方式共有 4 100 种
【单选题】某双链 DNA 有 200 个碱基,一条链上 A:T:G:C = 1 : 2 : 3 : 4 ,则该 DNA 分子
A.
含有 4 个游离的磷酸基
B.
连续复制 2 次,需要游离的腺嘌呤脱氧核苷酸 210 个 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
4 种碱基 A:T:G:C = 3 : 3 : 7 : 7
D.
碱基排列方式共有 4 100 种
【单选题】The amount of fuel injected into a diesel engine cylinder by a unit injector is controlled by_______.
A.
the firing pressure in the cylinder
B.
a metering helix inside the pump
C.
varying the physical length of the plunger stroke
D.
varying the clearance between the injector cam and the injector rocker arm
【单选题】A typical fuel injector consists of two basic parts, the nozzle and the nozzle holder. 02010263
A.
One basic part of a typical injector is the filter.
B.
One basic part of a typical injector is the nut.
C.
One basic part of a typical injector is the nozzle nuts.
D.
One basic part of a typical injector is the nozzle.
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