受托人只能以委托人的名义为委托人处理事务。（）

设有如下说明，请凶答(16)～(21)小题：
有"tEmployee"表，表结构及表内容如下所示：

在"tEmployee"表中，＂姓名＂字段的大小为10，在此列输入数据时，最多可输入的汉字数和英文字符数分别是( )。

A．5 5

B．5 10

C．10 10

D．10 20

天津港已形成了以集装箱、原油及制品、矿石、煤炭为“四大支柱”、以钢材、粮食等为“一群重点”的货源结构，是环渤海地区（）的综合性港口。

A.最大

B.第二大

C.第三大

D.第四大

现场浇注水泥混凝土人行道板面边角应整齐，不得有大于0.3mm的裂缝，并不得有石子外露脱皮、（）、（）现象。

A.浮浆

B.积水

C.错台

D.印痕

The dramatic rise in the number of homeless people in the 1980’s cannot be attributed to the discharge of mentally ill persons from hospitals into "community care." even though it is true that provisions for such community care are for the most part nonexistent.
Which of the following, if true, best supports the claim above

A．The policy of discharging mentally ill persons from hospitals was based on the supposition that their illnesses couldbe controlled by newly developed drugs.

B．Without supervision in a hospital setting those people whose mental illness can be controlled by medication might not actually take prescribed medication.

C．Some community-care programs for mentally ill persons did exist in the 1980’s, but those programs consisted primarily of outpatient clinics.

D．The policy of discharging significant numbers of mentally ill persons from hospitals took effect in the 1960’s.

E．(E) There have always been some people in large cities who have led a homeless existence.

盾构掘进过程中，控制盾构推进轴线偏离隧道设计轴线的主要措施？