've already sent Mr. Gregg to Houston to help them. lf the situation gets any worse, we'll () two additional engineers.

dispatch v.派遣，发送 句意：我们已派格雷格先生前往休斯敦去援助他们了。如果情况继续恶化，我们会再速遣另外两名工程师前往。

of the following are the variations of "ex"?

前缀ex的变体有e-和es-

of the following are the variations of "ex"?

前缀ex的变体有e-和es-

've already sent Mr. Gregg to Houston to help them. lf the situation gets any worse, we'll () two additional engineers.

dispatch v.派遣，发送 句意：我们已派格雷格先生前往休斯敦去援助他们了。如果情况继续恶化，我们会再速遣另外两名工程师前往。

of the following are the variations of "ex"?

前缀ex的变体有e-和es-

've already sent Mr. Gregg to Houston to help them. lf the situation gets any worse, we'll () two additional engineers.

dispatch v.派遣，发送 句意：我们已派格雷格先生前往休斯敦去援助他们了。如果情况继续恶化，我们会再速遣另外两名工程师前往。

of the following are the variations of "ex"?

前缀ex的变体有e-和es-

中，可以使选中图层在编辑窗口以实际像素大小显示的是_________。

've already sent Mr. Gregg to Houston to help them. lf the situation gets any worse, we'll () two additional engineers.

dispatch v.派遣，发送 句意：我们已派格雷格先生前往休斯敦去援助他们了。如果情况继续恶化，我们会再速遣另外两名工程师前往。

've already sent Mr. Gregg to Houston to help them. lf the situation gets any worse, we'll () two additional engineers.

dispatch v.派遣，发送 句意：我们已派格雷格先生前往休斯敦去援助他们了。如果情况继续恶化，我们会再速遣另外两名工程师前往。

年第一台数控机床在美国（）面世。

土由可塑状态转到流动状态的界限含水量称为（ ）。

建立账套后，（）不能更改。

以下不属于HTML标签主题的是

怎样给所有的标签添加背景颜色?