In the west of the （）lie the Col

以下网页代码中，设备的显示尺寸为()时，nav1和nav2将显示在同一行且nav1将显示在nav2前。<divclass="container"><divclass="row"><divclass="col-lg-4col-lg-push-8col-md-4col-md-push-0">nav1</div><divclass="col-lg-8col-lg-pull-4col-md-8col-md-pull-0">nav2</div></div></div>

A、<768px

B、≥768px

C、≥992px

D、≥1200px

A、col-xs-*

B、col-sm-*

C、col-lg-*

D、col-md-*

A..col-md-

B..col-xs-

C..col-lg-

D..col-sm-

During daylight savings time the meridian used for determining the time is located farther ______.

A.west in west longitude and east in east longitude

B.east in west longitude and west in east longitude

C.west

D.east

The following statements:CREATE TABLE t1 (col1 INT NOT NULL, PRIMARY KEY(col1)); CREATE TABLE t2 (col1 INT NOT NULL, col2 CHAR(1) NOT NULL, PRIMARY KEY (col1, col2), FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE CASCADE ON UPDATE RESTRICT); CREATE TABLE t3 (col1 INT NOT NULL, col2 INT NOT NULL, PRIMARY KEY (col1, col2),FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE NO ACTION ON UPDATE RESTRICT);INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1, ‘a‘), (1, ‘b‘), (2,‘c‘); INSERT INTO t3 VALUES (1, 100), (2, 200), (2,300);How many rows will be deleted by the following DELETE statement? DELETE FROM t1 WHERE col1= 1;（）

A.4

B.3

C.1

D.0

以下网页代码中，设备的显示尺寸为()时，nav1和nav2将显示为2行。<divclass="container"><divclass="row"><divclass="col-lg-4col-md-6col-sm-6">nav1</div><divclass="col-lg-8col-md-6col-sm-6">nav2</div></div></div>

A、<768px

B、≥768px

C、≥992px

D、≥1200px

A.Theoperationcol1.retainAll（col2）willnotmodifythecol1object.

B.Theoperationcol1.removeAll（col2）willnotmodifythecol2object.

C.Theoperationcol1.addAll（col2）willreturnanewcollectionobject，containingelementsfrombothcol1 andcol2.

D.Theoperationcol1.containsAll（Col2）willnotmodifythecol1object.

Bootstrap网格布局网页中，以下代码实现了一个列的()。

<divclass="container"><divclass="row"><divclass="col-lg-9col-md-8col-sm-5col-sm-offset-1col-lg-offset-0col-md-offset-0"style="background-color:silver"><nav><ultype="none">导航</ul></nav></div></div></div>

A、偏移

B、左浮动

C、右浮动

D、嵌套

西式面点英语为()

A、west pastry

B、west sponge

C、west pie

D、west cake

In charter-party，a clause states： the vessel to be employed between good and safe ports or places where she can ______.

A.safe lie always float

B.safely lie always float

C.safe lie always afloat

D.safely lie always afloat